Home / 1,004,029,307.20-1,506,043,960.80-711,311,604.40

Finding the Fourth Proportional to 1,004,029,307.20, 1,506,043,960.80 and 711,311,604.40

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Solution

The fourth proportional to 1,004,029,307.20, 1,506,043,960.80 and 711,311,604.40 is: 1,066,967,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,029,307.20 : 1,506,043,960.80 = 711,311,604.40 : x
  2. Step 2: Convert to fraction form
    1,004,029,307.20/1,506,043,960.80 = 711,311,604.40/x
  3. Step 3: Cross multiply
    1,004,029,307.20x = 1,506,043,960.80 × 711,311,604.40
  4. Step 4: Simplify right side
    1,004,029,307.20x = 1,071,266,546,053,578,624
  5. Step 5: Solve for x
    x = 1,071,266,546,053,578,624/1,004,029,307.20
  6. Step 6: Final answer
    x = 1,066,967,406.60

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Double scale
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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.