Home / 399,689,923.06-551,403,196.68-267,573,485.44

Finding the Fourth Proportional to 399,689,923.06, 551,403,196.68 and 267,573,485.44

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Solution

The fourth proportional to 399,689,923.06, 551,403,196.68 and 267,573,485.44 is: 369,138,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,689,923.06 : 551,403,196.68 = 267,573,485.44 : x
  2. Step 2: Convert to fraction form
    399,689,923.06/551,403,196.68 = 267,573,485.44/x
  3. Step 3: Cross multiply
    399,689,923.06x = 551,403,196.68 × 267,573,485.44
  4. Step 4: Simplify right side
    399,689,923.06x = 147,540,875,218,425,408
  5. Step 5: Solve for x
    x = 147,540,875,218,425,408/399,689,923.06
  6. Step 6: Final answer
    x = 369,138,341.26

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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.