Home / 1,438,567,314.30-2,156,906,187.45-564,642,114.30

Finding the Fourth Proportional to 1,438,567,314.30, 2,156,906,187.45 and 564,642,114.30

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Solution

The fourth proportional to 1,438,567,314.30, 2,156,906,187.45 and 564,642,114.30 is: 846,592,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,567,314.30 : 2,156,906,187.45 = 564,642,114.30 : x
  2. Step 2: Convert to fraction form
    1,438,567,314.30/2,156,906,187.45 = 564,642,114.30/x
  3. Step 3: Cross multiply
    1,438,567,314.30x = 2,156,906,187.45 × 564,642,114.30
  4. Step 4: Simplify right side
    1,438,567,314.30x = 1,217,880,070,028,519,936
  5. Step 5: Solve for x
    x = 1,217,880,070,028,519,936/1,438,567,314.30
  6. Step 6: Final answer
    x = 846,592,340.81

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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.