Home / 2,011,293,772.40-2,775,827,034.64-1,218,316,484.72

Finding the Fourth Proportional to 2,011,293,772.40, 2,775,827,034.64 and 1,218,316,484.72

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Solution

The fourth proportional to 2,011,293,772.40, 2,775,827,034.64 and 1,218,316,484.72 is: 1,681,423,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,293,772.40 : 2,775,827,034.64 = 1,218,316,484.72 : x
  2. Step 2: Convert to fraction form
    2,011,293,772.40/2,775,827,034.64 = 1,218,316,484.72/x
  3. Step 3: Cross multiply
    2,011,293,772.40x = 2,775,827,034.64 × 1,218,316,484.72
  4. Step 4: Simplify right side
    2,011,293,772.40x = 3,381,835,835,033,346,560
  5. Step 5: Solve for x
    x = 3,381,835,835,033,346,560/2,011,293,772.40
  6. Step 6: Final answer
    x = 1,681,423,112.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.