Home / 1,438,567,315.80-2,156,906,189.70-564,642,115.80

Finding the Fourth Proportional to 1,438,567,315.80, 2,156,906,189.70 and 564,642,115.80

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Solution

The fourth proportional to 1,438,567,315.80, 2,156,906,189.70 and 564,642,115.80 is: 846,592,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,567,315.80 : 2,156,906,189.70 = 564,642,115.80 : x
  2. Step 2: Convert to fraction form
    1,438,567,315.80/2,156,906,189.70 = 564,642,115.80/x
  3. Step 3: Cross multiply
    1,438,567,315.80x = 2,156,906,189.70 × 564,642,115.80
  4. Step 4: Simplify right side
    1,438,567,315.80x = 1,217,880,074,534,323,968
  5. Step 5: Solve for x
    x = 1,217,880,074,534,323,968/1,438,567,315.80
  6. Step 6: Final answer
    x = 846,592,343.06

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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.