Home / 7,678,684,260.11-11,518,026,390.17-2,157,942,291.86

Finding the Fourth Proportional to 7,678,684,260.11, 11,518,026,390.17 and 2,157,942,291.86

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Solution

The fourth proportional to 7,678,684,260.11, 11,518,026,390.17 and 2,157,942,291.86 is: 3,236,913,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,684,260.11 : 11,518,026,390.17 = 2,157,942,291.86 : x
  2. Step 2: Convert to fraction form
    7,678,684,260.11/11,518,026,390.17 = 2,157,942,291.86/x
  3. Step 3: Cross multiply
    7,678,684,260.11x = 11,518,026,390.17 × 2,157,942,291.86
  4. Step 4: Simplify right side
    7,678,684,260.11x = 24,855,236,266,142,683,136
  5. Step 5: Solve for x
    x = 24,855,236,266,142,683,136/7,678,684,260.11
  6. Step 6: Final answer
    x = 3,236,913,437.79

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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.