Home / 8,715,926,462.40-13,073,889,693.60-8,042,484,427.20

Finding the Fourth Proportional to 8,715,926,462.40, 13,073,889,693.60 and 8,042,484,427.20

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Solution

The fourth proportional to 8,715,926,462.40, 13,073,889,693.60 and 8,042,484,427.20 is: 12,063,726,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715,926,462.40 : 13,073,889,693.60 = 8,042,484,427.20 : x
  2. Step 2: Convert to fraction form
    8,715,926,462.40/13,073,889,693.60 = 8,042,484,427.20/x
  3. Step 3: Cross multiply
    8,715,926,462.40x = 13,073,889,693.60 × 8,042,484,427.20
  4. Step 4: Simplify right side
    8,715,926,462.40x = 105,146,554,263,708,581,888
  5. Step 5: Solve for x
    x = 105,146,554,263,708,581,888/8,715,926,462.40
  6. Step 6: Final answer
    x = 12,063,726,640.80

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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.