Home / 688,435,343.74-1,032,854,471.12-222,087,796.20

Finding the Fourth Proportional to 688,435,343.74, 1,032,854,471.12 and 222,087,796.20

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Solution

The fourth proportional to 688,435,343.74, 1,032,854,471.12 and 222,087,796.20 is: 333,196,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,435,343.74 : 1,032,854,471.12 = 222,087,796.20 : x
  2. Step 2: Convert to fraction form
    688,435,343.74/1,032,854,471.12 = 222,087,796.20/x
  3. Step 3: Cross multiply
    688,435,343.74x = 1,032,854,471.12 × 222,087,796.20
  4. Step 4: Simplify right side
    688,435,343.74x = 229,384,373,286,357,344
  5. Step 5: Solve for x
    x = 229,384,373,286,357,344/688,435,343.74
  6. Step 6: Final answer
    x = 333,196,683.42

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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.