Home / 488,535,128.60-732,802,692.90-165,419,000.60

Finding the Fourth Proportional to 488,535,128.60, 732,802,692.90 and 165,419,000.60

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Solution

The fourth proportional to 488,535,128.60, 732,802,692.90 and 165,419,000.60 is: 248,128,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535,128.60 : 732,802,692.90 = 165,419,000.60 : x
  2. Step 2: Convert to fraction form
    488,535,128.60/732,802,692.90 = 165,419,000.60/x
  3. Step 3: Cross multiply
    488,535,128.60x = 732,802,692.90 × 165,419,000.60
  4. Step 4: Simplify right side
    488,535,128.60x = 121,219,489,096,506,704
  5. Step 5: Solve for x
    x = 121,219,489,096,506,704/488,535,128.60
  6. Step 6: Final answer
    x = 248,128,500.90

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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.