Home / 1,275,508,935.71-1,913,263,428.15-306,160,551.71

Finding the Fourth Proportional to 1,275,508,935.71, 1,913,263,428.15 and 306,160,551.71

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Solution

The fourth proportional to 1,275,508,935.71, 1,913,263,428.15 and 306,160,551.71 is: 459,240,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,508,935.71 : 1,913,263,428.15 = 306,160,551.71 : x
  2. Step 2: Convert to fraction form
    1,275,508,935.71/1,913,263,428.15 = 306,160,551.71/x
  3. Step 3: Cross multiply
    1,275,508,935.71x = 1,913,263,428.15 × 306,160,551.71
  4. Step 4: Simplify right side
    1,275,508,935.71x = 585,765,786,728,969,984
  5. Step 5: Solve for x
    x = 585,765,786,728,969,984/1,275,508,935.71
  6. Step 6: Final answer
    x = 459,240,833.47

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Double scale
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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.