Home / 442,578,836-663,859,139.33-147,495,381.15

Finding the Fourth Proportional to 442,578,836, 663,859,139.33 and 147,495,381.15

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Solution

The fourth proportional to 442,578,836, 663,859,139.33 and 147,495,381.15 is: 221,240,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,578,836 : 663,859,139.33 = 147,495,381.15 : x
  2. Step 2: Convert to fraction form
    442,578,836/663,859,139.33 = 147,495,381.15/x
  3. Step 3: Cross multiply
    442,578,836x = 663,859,139.33 × 147,495,381.15
  4. Step 4: Simplify right side
    442,578,836x = 97,916,156,785,389,312
  5. Step 5: Solve for x
    x = 97,916,156,785,389,312/442,578,836
  6. Step 6: Final answer
    x = 221,240,034.14

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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.