Home / 1,140,722,441.13-1,708,136,784.66-787,287,313.35

Finding the Fourth Proportional to 1,140,722,441.13, 1,708,136,784.66 and 787,287,313.35

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Solution

The fourth proportional to 1,140,722,441.13, 1,708,136,784.66 and 787,287,313.35 is: 1,178,897,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,722,441.13 : 1,708,136,784.66 = 787,287,313.35 : x
  2. Step 2: Convert to fraction form
    1,140,722,441.13/1,708,136,784.66 = 787,287,313.35/x
  3. Step 3: Cross multiply
    1,140,722,441.13x = 1,708,136,784.66 × 787,287,313.35
  4. Step 4: Simplify right side
    1,140,722,441.13x = 1,344,794,420,029,278,976
  5. Step 5: Solve for x
    x = 1,344,794,420,029,278,976/1,140,722,441.13
  6. Step 6: Final answer
    x = 1,178,897,137.06

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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.