Home / 18,852,313,014.13-28,281,375,174.84-6,427,737,931.90

Finding the Fourth Proportional to 18,852,313,014.13, 28,281,375,174.84 and 6,427,737,931.90

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Solution

The fourth proportional to 18,852,313,014.13, 28,281,375,174.84 and 6,427,737,931.90 is: 9,642,597,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,313,014.13 : 28,281,375,174.84 = 6,427,737,931.90 : x
  2. Step 2: Convert to fraction form
    18,852,313,014.13/28,281,375,174.84 = 6,427,737,931.90/x
  3. Step 3: Cross multiply
    18,852,313,014.13x = 28,281,375,174.84 × 6,427,737,931.90
  4. Step 4: Simplify right side
    18,852,313,014.13x = 181,785,267,977,614,065,664
  5. Step 5: Solve for x
    x = 181,785,267,977,614,065,664/18,852,313,014.13
  6. Step 6: Final answer
    x = 9,642,597,586.90

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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.