Home / 9,689,988,010.80-14,534,982,016.20-5,282,003,780.40

Finding the Fourth Proportional to 9,689,988,010.80, 14,534,982,016.20 and 5,282,003,780.40

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Solution

The fourth proportional to 9,689,988,010.80, 14,534,982,016.20 and 5,282,003,780.40 is: 7,923,005,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689,988,010.80 : 14,534,982,016.20 = 5,282,003,780.40 : x
  2. Step 2: Convert to fraction form
    9,689,988,010.80/14,534,982,016.20 = 5,282,003,780.40/x
  3. Step 3: Cross multiply
    9,689,988,010.80x = 14,534,982,016.20 × 5,282,003,780.40
  4. Step 4: Simplify right side
    9,689,988,010.80x = 76,773,829,957,614,419,968
  5. Step 5: Solve for x
    x = 76,773,829,957,614,419,968/9,689,988,010.80
  6. Step 6: Final answer
    x = 7,923,005,670.60

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Double scale
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Similar ratio
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1.5x scale

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.