Home / 8,428,386,871.56-11,631,888,139.50-4,670,376,241.80

Finding the Fourth Proportional to 8,428,386,871.56, 11,631,888,139.50 and 4,670,376,241.80

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Solution

The fourth proportional to 8,428,386,871.56, 11,631,888,139.50 and 4,670,376,241.80 is: 6,445,515,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,386,871.56 : 11,631,888,139.50 = 4,670,376,241.80 : x
  2. Step 2: Convert to fraction form
    8,428,386,871.56/11,631,888,139.50 = 4,670,376,241.80/x
  3. Step 3: Cross multiply
    8,428,386,871.56x = 11,631,888,139.50 × 4,670,376,241.80
  4. Step 4: Simplify right side
    8,428,386,871.56x = 54,325,294,013,996,007,424
  5. Step 5: Solve for x
    x = 54,325,294,013,996,007,424/8,428,386,871.56
  6. Step 6: Final answer
    x = 6,445,515,000.90

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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.