Home / 1,459,087,922.39-2,188,858,631.75-489,966,286.55

Finding the Fourth Proportional to 1,459,087,922.39, 2,188,858,631.75 and 489,966,286.55

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Solution

The fourth proportional to 1,459,087,922.39, 2,188,858,631.75 and 489,966,286.55 is: 735,025,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,087,922.39 : 2,188,858,631.75 = 489,966,286.55 : x
  2. Step 2: Convert to fraction form
    1,459,087,922.39/2,188,858,631.75 = 489,966,286.55/x
  3. Step 3: Cross multiply
    1,459,087,922.39x = 2,188,858,631.75 × 489,966,286.55
  4. Step 4: Simplify right side
    1,459,087,922.39x = 1,072,466,935,580,880,384
  5. Step 5: Solve for x
    x = 1,072,466,935,580,880,384/1,459,087,922.39
  6. Step 6: Final answer
    x = 735,025,572.57

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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.