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Finding the Fourth Proportional to 1,012,714,951.69, 1,519,063,894.05 and 791,572,303.68

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Solution

The fourth proportional to 1,012,714,951.69, 1,519,063,894.05 and 791,572,303.68 is: 1,187,351,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,714,951.69 : 1,519,063,894.05 = 791,572,303.68 : x
  2. Step 2: Convert to fraction form
    1,012,714,951.69/1,519,063,894.05 = 791,572,303.68/x
  3. Step 3: Cross multiply
    1,012,714,951.69x = 1,519,063,894.05 × 791,572,303.68
  4. Step 4: Simplify right side
    1,012,714,951.69x = 1,202,448,906,050,269,952
  5. Step 5: Solve for x
    x = 1,202,448,906,050,269,952/1,012,714,951.69
  6. Step 6: Final answer
    x = 1,187,351,785.46

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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.