Home / 299,455,962.40-448,428,116.40-196,663,463.20

Finding the Fourth Proportional to 299,455,962.40, 448,428,116.40 and 196,663,463.20

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Solution

The fourth proportional to 299,455,962.40, 448,428,116.40 and 196,663,463.20 is: 294,498,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,455,962.40 : 448,428,116.40 = 196,663,463.20 : x
  2. Step 2: Convert to fraction form
    299,455,962.40/448,428,116.40 = 196,663,463.20/x
  3. Step 3: Cross multiply
    299,455,962.40x = 448,428,116.40 × 196,663,463.20
  4. Step 4: Simplify right side
    299,455,962.40x = 88,189,426,367,476,704
  5. Step 5: Solve for x
    x = 88,189,426,367,476,704/299,455,962.40
  6. Step 6: Final answer
    x = 294,498,815.99

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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.