Home / 331,378,943-496,988,686.20-101,350,020.56

Finding the Fourth Proportional to 331,378,943, 496,988,686.20 and 101,350,020.56

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Solution

The fourth proportional to 331,378,943, 496,988,686.20 and 101,350,020.56 is: 152,000,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,378,943 : 496,988,686.20 = 101,350,020.56 : x
  2. Step 2: Convert to fraction form
    331,378,943/496,988,686.20 = 101,350,020.56/x
  3. Step 3: Cross multiply
    331,378,943x = 496,988,686.20 × 101,350,020.56
  4. Step 4: Simplify right side
    331,378,943x = 50,369,813,564,457,392
  5. Step 5: Solve for x
    x = 50,369,813,564,457,392/331,378,943
  6. Step 6: Final answer
    x = 152,000,646.48

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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.