Home / 545,304,090.60-817,956,135.90-315,154,708.20

Finding the Fourth Proportional to 545,304,090.60, 817,956,135.90 and 315,154,708.20

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Solution

The fourth proportional to 545,304,090.60, 817,956,135.90 and 315,154,708.20 is: 472,732,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,304,090.60 : 817,956,135.90 = 315,154,708.20 : x
  2. Step 2: Convert to fraction form
    545,304,090.60/817,956,135.90 = 315,154,708.20/x
  3. Step 3: Cross multiply
    545,304,090.60x = 817,956,135.90 × 315,154,708.20
  4. Step 4: Simplify right side
    545,304,090.60x = 257,782,727,329,964,032
  5. Step 5: Solve for x
    x = 257,782,727,329,964,032/545,304,090.60
  6. Step 6: Final answer
    x = 472,732,062.30

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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.