Home / 876,092,627.72-1,209,007,850.10-484,952,051.72

Finding the Fourth Proportional to 876,092,627.72, 1,209,007,850.10 and 484,952,051.72

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Solution

The fourth proportional to 876,092,627.72, 1,209,007,850.10 and 484,952,051.72 is: 669,233,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,092,627.72 : 1,209,007,850.10 = 484,952,051.72 : x
  2. Step 2: Convert to fraction form
    876,092,627.72/1,209,007,850.10 = 484,952,051.72/x
  3. Step 3: Cross multiply
    876,092,627.72x = 1,209,007,850.10 × 484,952,051.72
  4. Step 4: Simplify right side
    876,092,627.72x = 586,310,837,451,581,184
  5. Step 5: Solve for x
    x = 586,310,837,451,581,184/876,092,627.72
  6. Step 6: Final answer
    x = 669,233,844.57

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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.