Home / 1,459,087,913.43-2,188,858,618.31-489,966,277.59

Finding the Fourth Proportional to 1,459,087,913.43, 2,188,858,618.31 and 489,966,277.59

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Solution

The fourth proportional to 1,459,087,913.43, 2,188,858,618.31 and 489,966,277.59 is: 735,025,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,087,913.43 : 2,188,858,618.31 = 489,966,277.59 : x
  2. Step 2: Convert to fraction form
    1,459,087,913.43/2,188,858,618.31 = 489,966,277.59/x
  3. Step 3: Cross multiply
    1,459,087,913.43x = 2,188,858,618.31 × 489,966,277.59
  4. Step 4: Simplify right side
    1,459,087,913.43x = 1,072,466,909,381,691,392
  5. Step 5: Solve for x
    x = 1,072,466,909,381,691,392/1,459,087,913.43
  6. Step 6: Final answer
    x = 735,025,559.13

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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.