Home / 488,535,128.10-732,802,692.15-165,419,000.10

Finding the Fourth Proportional to 488,535,128.10, 732,802,692.15 and 165,419,000.10

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Solution

The fourth proportional to 488,535,128.10, 732,802,692.15 and 165,419,000.10 is: 248,128,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535,128.10 : 732,802,692.15 = 165,419,000.10 : x
  2. Step 2: Convert to fraction form
    488,535,128.10/732,802,692.15 = 165,419,000.10/x
  3. Step 3: Cross multiply
    488,535,128.10x = 732,802,692.15 × 165,419,000.10
  4. Step 4: Simplify right side
    488,535,128.10x = 121,219,488,606,041,104
  5. Step 5: Solve for x
    x = 121,219,488,606,041,104/488,535,128.10
  6. Step 6: Final answer
    x = 248,128,500.15

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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.