Home / 19,932,006,748.20-29,898,010,122.30-5,210,028,166.20

Finding the Fourth Proportional to 19,932,006,748.20, 29,898,010,122.30 and 5,210,028,166.20

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Solution

The fourth proportional to 19,932,006,748.20, 29,898,010,122.30 and 5,210,028,166.20 is: 7,815,042,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,006,748.20 : 29,898,010,122.30 = 5,210,028,166.20 : x
  2. Step 2: Convert to fraction form
    19,932,006,748.20/29,898,010,122.30 = 5,210,028,166.20/x
  3. Step 3: Cross multiply
    19,932,006,748.20x = 29,898,010,122.30 × 5,210,028,166.20
  4. Step 4: Simplify right side
    19,932,006,748.20x = 155,769,474,850,515,681,280
  5. Step 5: Solve for x
    x = 155,769,474,850,515,681,280/19,932,006,748.20
  6. Step 6: Final answer
    x = 7,815,042,249.30

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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.