Home / 488,483,664.80-732,125,196.95-225,812,909.30

Finding the Fourth Proportional to 488,483,664.80, 732,125,196.95 and 225,812,909.30

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Solution

The fourth proportional to 488,483,664.80, 732,125,196.95 and 225,812,909.30 is: 338,441,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,483,664.80 : 732,125,196.95 = 225,812,909.30 : x
  2. Step 2: Convert to fraction form
    488,483,664.80/732,125,196.95 = 225,812,909.30/x
  3. Step 3: Cross multiply
    488,483,664.80x = 732,125,196.95 × 225,812,909.30
  4. Step 4: Simplify right side
    488,483,664.80x = 165,323,320,690,325,312
  5. Step 5: Solve for x
    x = 165,323,320,690,325,312/488,483,664.80
  6. Step 6: Final answer
    x = 338,441,861.22

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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.