Home / 418,034,477.34-576,904,200.84-229,878,197.28

Finding the Fourth Proportional to 418,034,477.34, 576,904,200.84 and 229,878,197.28

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Solution

The fourth proportional to 418,034,477.34, 576,904,200.84 and 229,878,197.28 is: 317,241,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,034,477.34 : 576,904,200.84 = 229,878,197.28 : x
  2. Step 2: Convert to fraction form
    418,034,477.34/576,904,200.84 = 229,878,197.28/x
  3. Step 3: Cross multiply
    418,034,477.34x = 576,904,200.84 × 229,878,197.28
  4. Step 4: Simplify right side
    418,034,477.34x = 132,617,697,692,358,272
  5. Step 5: Solve for x
    x = 132,617,697,692,358,272/418,034,477.34
  6. Step 6: Final answer
    x = 317,241,052.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.