Home / 52,278,052,890.30-78,417,079,335.45-13,019,443,338.30

Finding the Fourth Proportional to 52,278,052,890.30, 78,417,079,335.45 and 13,019,443,338.30

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Solution

The fourth proportional to 52,278,052,890.30, 78,417,079,335.45 and 13,019,443,338.30 is: 19,529,165,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278,052,890.30 : 78,417,079,335.45 = 13,019,443,338.30 : x
  2. Step 2: Convert to fraction form
    52,278,052,890.30/78,417,079,335.45 = 13,019,443,338.30/x
  3. Step 3: Cross multiply
    52,278,052,890.30x = 78,417,079,335.45 × 13,019,443,338.30
  4. Step 4: Simplify right side
    52,278,052,890.30x = 1,020,946,721,162,866,982,912
  5. Step 5: Solve for x
    x = 1,020,946,721,162,866,982,912/52,278,052,890.30
  6. Step 6: Final answer
    x = 19,529,165,007.45

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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.