Home / 38,331,920,750.38-52,897,076,105.32-21,415,695,352.52

Finding the Fourth Proportional to 38,331,920,750.38, 52,897,076,105.32 and 21,415,695,352.52

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Solution

The fourth proportional to 38,331,920,750.38, 52,897,076,105.32 and 21,415,695,352.52 is: 29,553,115,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331,920,750.38 : 52,897,076,105.32 = 21,415,695,352.52 : x
  2. Step 2: Convert to fraction form
    38,331,920,750.38/52,897,076,105.32 = 21,415,695,352.52/x
  3. Step 3: Cross multiply
    38,331,920,750.38x = 52,897,076,105.32 × 21,415,695,352.52
  4. Step 4: Simplify right side
    38,331,920,750.38x = 1,132,827,666,910,598,266,880
  5. Step 5: Solve for x
    x = 1,132,827,666,910,598,266,880/38,331,920,750.38
  6. Step 6: Final answer
    x = 29,553,115,125.32

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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.