Home / 38,331,920,748.39-52,897,076,102.56-21,415,695,350.52

Finding the Fourth Proportional to 38,331,920,748.39, 52,897,076,102.56 and 21,415,695,350.52

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Solution

The fourth proportional to 38,331,920,748.39, 52,897,076,102.56 and 21,415,695,350.52 is: 29,553,115,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331,920,748.39 : 52,897,076,102.56 = 21,415,695,350.52 : x
  2. Step 2: Convert to fraction form
    38,331,920,748.39/52,897,076,102.56 = 21,415,695,350.52/x
  3. Step 3: Cross multiply
    38,331,920,748.39x = 52,897,076,102.56 × 21,415,695,350.52
  4. Step 4: Simplify right side
    38,331,920,748.39x = 1,132,827,666,745,769,721,856
  5. Step 5: Solve for x
    x = 1,132,827,666,745,769,721,856/38,331,920,748.39
  6. Step 6: Final answer
    x = 29,553,115,122.56

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1.5x scale

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.