Home / 426,314,897.52-639,495,602.28-135,160,963.44

Finding the Fourth Proportional to 426,314,897.52, 639,495,602.28 and 135,160,963.44

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Solution

The fourth proportional to 426,314,897.52, 639,495,602.28 and 135,160,963.44 is: 202,748,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,314,897.52 : 639,495,602.28 = 135,160,963.44 : x
  2. Step 2: Convert to fraction form
    426,314,897.52/639,495,602.28 = 135,160,963.44/x
  3. Step 3: Cross multiply
    426,314,897.52x = 639,495,602.28 × 135,160,963.44
  4. Step 4: Simplify right side
    426,314,897.52x = 86,434,841,719,807,856
  5. Step 5: Solve for x
    x = 86,434,841,719,807,856/426,314,897.52
  6. Step 6: Final answer
    x = 202,748,818.36

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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.