Home / 376,474,337.73-519,547,187.31-209,217,648.53

Finding the Fourth Proportional to 376,474,337.73, 519,547,187.31 and 209,217,648.53

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Solution

The fourth proportional to 376,474,337.73, 519,547,187.31 and 209,217,648.53 is: 288,727,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,474,337.73 : 519,547,187.31 = 209,217,648.53 : x
  2. Step 2: Convert to fraction form
    376,474,337.73/519,547,187.31 = 209,217,648.53/x
  3. Step 3: Cross multiply
    376,474,337.73x = 519,547,187.31 × 209,217,648.53
  4. Step 4: Simplify right side
    376,474,337.73x = 108,698,440,829,887,952
  5. Step 5: Solve for x
    x = 108,698,440,829,887,952/376,474,337.73
  6. Step 6: Final answer
    x = 288,727,357.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.