Home / 442,578,837-663,859,140.83-147,495,382.15

Finding the Fourth Proportional to 442,578,837, 663,859,140.83 and 147,495,382.15

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Solution

The fourth proportional to 442,578,837, 663,859,140.83 and 147,495,382.15 is: 221,240,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,578,837 : 663,859,140.83 = 147,495,382.15 : x
  2. Step 2: Convert to fraction form
    442,578,837/663,859,140.83 = 147,495,382.15/x
  3. Step 3: Cross multiply
    442,578,837x = 663,859,140.83 × 147,495,382.15
  4. Step 4: Simplify right side
    442,578,837x = 97,916,157,670,491,536
  5. Step 5: Solve for x
    x = 97,916,157,670,491,536/442,578,837
  6. Step 6: Final answer
    x = 221,240,035.64

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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.