Home / 21,244,512,890.34-29,319,998,666.58-12,091,267,329.66

Finding the Fourth Proportional to 21,244,512,890.34, 29,319,998,666.58 and 12,091,267,329.66

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Solution

The fourth proportional to 21,244,512,890.34, 29,319,998,666.58 and 12,091,267,329.66 is: 16,687,412,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,512,890.34 : 29,319,998,666.58 = 12,091,267,329.66 : x
  2. Step 2: Convert to fraction form
    21,244,512,890.34/29,319,998,666.58 = 12,091,267,329.66/x
  3. Step 3: Cross multiply
    21,244,512,890.34x = 29,319,998,666.58 × 12,091,267,329.66
  4. Step 4: Simplify right side
    21,244,512,890.34x = 354,515,941,982,893,506,560
  5. Step 5: Solve for x
    x = 354,515,941,982,893,506,560/21,244,512,890.34
  6. Step 6: Final answer
    x = 16,687,412,124.38

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Double scale
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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.