Home / 1,019,499,791.30-1,406,833,656.13-573,376,963.90

Finding the Fourth Proportional to 1,019,499,791.30, 1,406,833,656.13 and 573,376,963.90

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Solution

The fourth proportional to 1,019,499,791.30, 1,406,833,656.13 and 573,376,963.90 is: 791,217,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,499,791.30 : 1,406,833,656.13 = 573,376,963.90 : x
  2. Step 2: Convert to fraction form
    1,019,499,791.30/1,406,833,656.13 = 573,376,963.90/x
  3. Step 3: Cross multiply
    1,019,499,791.30x = 1,406,833,656.13 × 573,376,963.90
  4. Step 4: Simplify right side
    1,019,499,791.30x = 806,646,010,462,396,416
  5. Step 5: Solve for x
    x = 806,646,010,462,396,416/1,019,499,791.30
  6. Step 6: Final answer
    x = 791,217,435.60

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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.