Home / 401,137,094.27-553,486,294.75-231,588,393.95

Finding the Fourth Proportional to 401,137,094.27, 553,486,294.75 and 231,588,393.95

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Solution

The fourth proportional to 401,137,094.27, 553,486,294.75 and 231,588,393.95 is: 319,544,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,137,094.27 : 553,486,294.75 = 231,588,393.95 : x
  2. Step 2: Convert to fraction form
    401,137,094.27/553,486,294.75 = 231,588,393.95/x
  3. Step 3: Cross multiply
    401,137,094.27x = 553,486,294.75 × 231,588,393.95
  4. Step 4: Simplify right side
    401,137,094.27x = 128,181,002,074,488,816
  5. Step 5: Solve for x
    x = 128,181,002,074,488,816/401,137,094.27
  6. Step 6: Final answer
    x = 319,544,125.70

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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.