Home / 8,520,968,003.70-12,781,452,005.55-7,595,835,510.90

Finding the Fourth Proportional to 8,520,968,003.70, 12,781,452,005.55 and 7,595,835,510.90

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Solution

The fourth proportional to 8,520,968,003.70, 12,781,452,005.55 and 7,595,835,510.90 is: 11,393,753,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,968,003.70 : 12,781,452,005.55 = 7,595,835,510.90 : x
  2. Step 2: Convert to fraction form
    8,520,968,003.70/12,781,452,005.55 = 7,595,835,510.90/x
  3. Step 3: Cross multiply
    8,520,968,003.70x = 12,781,452,005.55 × 7,595,835,510.90
  4. Step 4: Simplify right side
    8,520,968,003.70x = 97,085,807,024,620,699,648
  5. Step 5: Solve for x
    x = 97,085,807,024,620,699,648/8,520,968,003.70
  6. Step 6: Final answer
    x = 11,393,753,266.35

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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.