Home / 498,507,263.42-747,092,496.33-387,976,401.65

Finding the Fourth Proportional to 498,507,263.42, 747,092,496.33 and 387,976,401.65

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Solution

The fourth proportional to 498,507,263.42, 747,092,496.33 and 387,976,401.65 is: 581,444,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,507,263.42 : 747,092,496.33 = 387,976,401.65 : x
  2. Step 2: Convert to fraction form
    498,507,263.42/747,092,496.33 = 387,976,401.65/x
  3. Step 3: Cross multiply
    498,507,263.42x = 747,092,496.33 × 387,976,401.65
  4. Step 4: Simplify right side
    498,507,263.42x = 289,854,258,427,696,960
  5. Step 5: Solve for x
    x = 289,854,258,427,696,960/498,507,263.42
  6. Step 6: Final answer
    x = 581,444,403.52

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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.