Home / 498,308,950.80-747,731,127.96-207,376,650

Finding the Fourth Proportional to 498,308,950.80, 747,731,127.96 and 207,376,650

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Solution

The fourth proportional to 498,308,950.80, 747,731,127.96 and 207,376,650 is: 311,176,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,308,950.80 : 747,731,127.96 = 207,376,650 : x
  2. Step 2: Convert to fraction form
    498,308,950.80/747,731,127.96 = 207,376,650/x
  3. Step 3: Cross multiply
    498,308,950.80x = 747,731,127.96 × 207,376,650
  4. Step 4: Simplify right side
    498,308,950.80x = 155,061,976,417,066,144
  5. Step 5: Solve for x
    x = 155,061,976,417,066,144/498,308,950.80
  6. Step 6: Final answer
    x = 311,176,381.98

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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.