Home / 402,671,001.60-604,006,502.40-257,552,179.20

Finding the Fourth Proportional to 402,671,001.60, 604,006,502.40 and 257,552,179.20

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Solution

The fourth proportional to 402,671,001.60, 604,006,502.40 and 257,552,179.20 is: 386,328,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,671,001.60 : 604,006,502.40 = 257,552,179.20 : x
  2. Step 2: Convert to fraction form
    402,671,001.60/604,006,502.40 = 257,552,179.20/x
  3. Step 3: Cross multiply
    402,671,001.60x = 604,006,502.40 × 257,552,179.20
  4. Step 4: Simplify right side
    402,671,001.60x = 155,563,190,944,090,016
  5. Step 5: Solve for x
    x = 155,563,190,944,090,016/402,671,001.60
  6. Step 6: Final answer
    x = 386,328,268.80

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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.