Home / 418,732,396.16-628,166,767.28-123,657,362.51

Finding the Fourth Proportional to 418,732,396.16, 628,166,767.28 and 123,657,362.51

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Solution

The fourth proportional to 418,732,396.16, 628,166,767.28 and 123,657,362.51 is: 185,506,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,732,396.16 : 628,166,767.28 = 123,657,362.51 : x
  2. Step 2: Convert to fraction form
    418,732,396.16/628,166,767.28 = 123,657,362.51/x
  3. Step 3: Cross multiply
    418,732,396.16x = 628,166,767.28 × 123,657,362.51
  4. Step 4: Simplify right side
    418,732,396.16x = 77,677,445,654,518,640
  5. Step 5: Solve for x
    x = 77,677,445,654,518,640/418,732,396.16
  6. Step 6: Final answer
    x = 185,506,176.18

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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.