Home / 1,213,057,031.70-1,819,585,547.55-1,011,503,111.70

Finding the Fourth Proportional to 1,213,057,031.70, 1,819,585,547.55 and 1,011,503,111.70

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Solution

The fourth proportional to 1,213,057,031.70, 1,819,585,547.55 and 1,011,503,111.70 is: 1,517,254,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,057,031.70 : 1,819,585,547.55 = 1,011,503,111.70 : x
  2. Step 2: Convert to fraction form
    1,213,057,031.70/1,819,585,547.55 = 1,011,503,111.70/x
  3. Step 3: Cross multiply
    1,213,057,031.70x = 1,819,585,547.55 × 1,011,503,111.70
  4. Step 4: Simplify right side
    1,213,057,031.70x = 1,840,516,443,351,173,376
  5. Step 5: Solve for x
    x = 1,840,516,443,351,173,376/1,213,057,031.70
  6. Step 6: Final answer
    x = 1,517,254,667.55

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Half scale
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Double scale
Find fourth proportional to 1,213,057,032.70, 1,819,585,549.05 and 1,011,503,112.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.