Home / 817,380,048.60-1,128,922,812.54-595,350,909.72

Finding the Fourth Proportional to 817,380,048.60, 1,128,922,812.54 and 595,350,909.72

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Solution

The fourth proportional to 817,380,048.60, 1,128,922,812.54 and 595,350,909.72 is: 822,267,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,380,048.60 : 1,128,922,812.54 = 595,350,909.72 : x
  2. Step 2: Convert to fraction form
    817,380,048.60/1,128,922,812.54 = 595,350,909.72/x
  3. Step 3: Cross multiply
    817,380,048.60x = 1,128,922,812.54 × 595,350,909.72
  4. Step 4: Simplify right side
    817,380,048.60x = 672,105,223,449,350,016
  5. Step 5: Solve for x
    x = 672,105,223,449,350,016/817,380,048.60
  6. Step 6: Final answer
    x = 822,267,713.29

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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.