Home / 376,428,018.40-564,842,648.40-146,404,607.20

Finding the Fourth Proportional to 376,428,018.40, 564,842,648.40 and 146,404,607.20

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Solution

The fourth proportional to 376,428,018.40, 564,842,648.40 and 146,404,607.20 is: 219,684,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,428,018.40 : 564,842,648.40 = 146,404,607.20 : x
  2. Step 2: Convert to fraction form
    376,428,018.40/564,842,648.40 = 146,404,607.20/x
  3. Step 3: Cross multiply
    376,428,018.40x = 564,842,648.40 × 146,404,607.20
  4. Step 4: Simplify right side
    376,428,018.40x = 82,695,566,068,809,696
  5. Step 5: Solve for x
    x = 82,695,566,068,809,696/376,428,018.40
  6. Step 6: Final answer
    x = 219,684,938.49

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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.