Home / 382,485,228.30-573,727,842.45-123,726,605.40

Finding the Fourth Proportional to 382,485,228.30, 573,727,842.45 and 123,726,605.40

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Solution

The fourth proportional to 382,485,228.30, 573,727,842.45 and 123,726,605.40 is: 185,589,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,485,228.30 : 573,727,842.45 = 123,726,605.40 : x
  2. Step 2: Convert to fraction form
    382,485,228.30/573,727,842.45 = 123,726,605.40/x
  3. Step 3: Cross multiply
    382,485,228.30x = 573,727,842.45 × 123,726,605.40
  4. Step 4: Simplify right side
    382,485,228.30x = 70,985,398,369,804,528
  5. Step 5: Solve for x
    x = 70,985,398,369,804,528/382,485,228.30
  6. Step 6: Final answer
    x = 185,589,908.10

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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.