Home / 418,402,837.33-627,604,252.85-152,528,488.56

Finding the Fourth Proportional to 418,402,837.33, 627,604,252.85 and 152,528,488.56

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Solution

The fourth proportional to 418,402,837.33, 627,604,252.85 and 152,528,488.56 is: 228,792,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,402,837.33 : 627,604,252.85 = 152,528,488.56 : x
  2. Step 2: Convert to fraction form
    418,402,837.33/627,604,252.85 = 152,528,488.56/x
  3. Step 3: Cross multiply
    418,402,837.33x = 627,604,252.85 × 152,528,488.56
  4. Step 4: Simplify right side
    418,402,837.33x = 95,727,528,101,419,888
  5. Step 5: Solve for x
    x = 95,727,528,101,419,888/418,402,837.33
  6. Step 6: Final answer
    x = 228,792,731.70

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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.