Home / 497,667,421.60-746,501,132.40-293,090,192.80

Finding the Fourth Proportional to 497,667,421.60, 746,501,132.40 and 293,090,192.80

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Solution

The fourth proportional to 497,667,421.60, 746,501,132.40 and 293,090,192.80 is: 439,635,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,667,421.60 : 746,501,132.40 = 293,090,192.80 : x
  2. Step 2: Convert to fraction form
    497,667,421.60/746,501,132.40 = 293,090,192.80/x
  3. Step 3: Cross multiply
    497,667,421.60x = 746,501,132.40 × 293,090,192.80
  4. Step 4: Simplify right side
    497,667,421.60x = 218,792,160,820,534,336
  5. Step 5: Solve for x
    x = 218,792,160,820,534,336/497,667,421.60
  6. Step 6: Final answer
    x = 439,635,289.20

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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.