Home / 500,416,324.60-690,165,051.54-352,228,003.96

Finding the Fourth Proportional to 500,416,324.60, 690,165,051.54 and 352,228,003.96

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Solution

The fourth proportional to 500,416,324.60, 690,165,051.54 and 352,228,003.96 is: 485,786,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,416,324.60 : 690,165,051.54 = 352,228,003.96 : x
  2. Step 2: Convert to fraction form
    500,416,324.60/690,165,051.54 = 352,228,003.96/x
  3. Step 3: Cross multiply
    500,416,324.60x = 690,165,051.54 × 352,228,003.96
  4. Step 4: Simplify right side
    500,416,324.60x = 243,095,458,506,884,704
  5. Step 5: Solve for x
    x = 243,095,458,506,884,704/500,416,324.60
  6. Step 6: Final answer
    x = 485,786,427.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.