Home / 530,458,711.03-726,731,027.24-510,577,242.67

Finding the Fourth Proportional to 530,458,711.03, 726,731,027.24 and 510,577,242.67

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Solution

The fourth proportional to 530,458,711.03, 726,731,027.24 and 510,577,242.67 is: 699,493,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,458,711.03 : 726,731,027.24 = 510,577,242.67 : x
  2. Step 2: Convert to fraction form
    530,458,711.03/726,731,027.24 = 510,577,242.67/x
  3. Step 3: Cross multiply
    530,458,711.03x = 726,731,027.24 × 510,577,242.67
  4. Step 4: Simplify right side
    530,458,711.03x = 371,052,324,050,935,872
  5. Step 5: Solve for x
    x = 371,052,324,050,935,872/530,458,711.03
  6. Step 6: Final answer
    x = 699,493,318.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.