Home / 488,534,457.60-732,801,686.40-165,418,329.60

Finding the Fourth Proportional to 488,534,457.60, 732,801,686.40 and 165,418,329.60

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Solution

The fourth proportional to 488,534,457.60, 732,801,686.40 and 165,418,329.60 is: 248,127,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,534,457.60 : 732,801,686.40 = 165,418,329.60 : x
  2. Step 2: Convert to fraction form
    488,534,457.60/732,801,686.40 = 165,418,329.60/x
  3. Step 3: Cross multiply
    488,534,457.60x = 732,801,686.40 × 165,418,329.60
  4. Step 4: Simplify right side
    488,534,457.60x = 121,218,830,892,351,024
  5. Step 5: Solve for x
    x = 121,218,830,892,351,024/488,534,457.60
  6. Step 6: Final answer
    x = 248,127,494.40

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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.