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Finding the Fourth Proportional to 488,429,984.80, 732,432,400.80 and 160,778,893.60

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Solution

The fourth proportional to 488,429,984.80, 732,432,400.80 and 160,778,893.60 is: 241,098,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,429,984.80 : 732,432,400.80 = 160,778,893.60 : x
  2. Step 2: Convert to fraction form
    488,429,984.80/732,432,400.80 = 160,778,893.60/x
  3. Step 3: Cross multiply
    488,429,984.80x = 732,432,400.80 × 160,778,893.60
  4. Step 4: Simplify right side
    488,429,984.80x = 117,759,671,037,415,744
  5. Step 5: Solve for x
    x = 117,759,671,037,415,744/488,429,984.80
  6. Step 6: Final answer
    x = 241,098,365.58

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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.