Home / 31,687,442,999.40-47,531,164,499.10-29,292,982,429.80

Finding the Fourth Proportional to 31,687,442,999.40, 47,531,164,499.10 and 29,292,982,429.80

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Solution

The fourth proportional to 31,687,442,999.40, 47,531,164,499.10 and 29,292,982,429.80 is: 43,939,473,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687,442,999.40 : 47,531,164,499.10 = 29,292,982,429.80 : x
  2. Step 2: Convert to fraction form
    31,687,442,999.40/47,531,164,499.10 = 29,292,982,429.80/x
  3. Step 3: Cross multiply
    31,687,442,999.40x = 47,531,164,499.10 × 29,292,982,429.80
  4. Step 4: Simplify right side
    31,687,442,999.40x = 1,392,329,566,540,069,863,424
  5. Step 5: Solve for x
    x = 1,392,329,566,540,069,863,424/31,687,442,999.40
  6. Step 6: Final answer
    x = 43,939,473,644.70

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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.