Home / 370,653,774.98-511,500,805.85-203,392,834.70

Finding the Fourth Proportional to 370,653,774.98, 511,500,805.85 and 203,392,834.70

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Solution

The fourth proportional to 370,653,774.98, 511,500,805.85 and 203,392,834.70 is: 280,681,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,653,774.98 : 511,500,805.85 = 203,392,834.70 : x
  2. Step 2: Convert to fraction form
    370,653,774.98/511,500,805.85 = 203,392,834.70/x
  3. Step 3: Cross multiply
    370,653,774.98x = 511,500,805.85 × 203,392,834.70
  4. Step 4: Simplify right side
    370,653,774.98x = 104,035,598,849,591,376
  5. Step 5: Solve for x
    x = 104,035,598,849,591,376/370,653,774.98
  6. Step 6: Final answer
    x = 280,681,341.66

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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.