Home / 797,181,519.60-1,195,772,279.40-688,129,826.40

Finding the Fourth Proportional to 797,181,519.60, 1,195,772,279.40 and 688,129,826.40

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Solution

The fourth proportional to 797,181,519.60, 1,195,772,279.40 and 688,129,826.40 is: 1,032,194,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,181,519.60 : 1,195,772,279.40 = 688,129,826.40 : x
  2. Step 2: Convert to fraction form
    797,181,519.60/1,195,772,279.40 = 688,129,826.40/x
  3. Step 3: Cross multiply
    797,181,519.60x = 1,195,772,279.40 × 688,129,826.40
  4. Step 4: Simplify right side
    797,181,519.60x = 822,846,571,037,454,336
  5. Step 5: Solve for x
    x = 822,846,571,037,454,336/797,181,519.60
  6. Step 6: Final answer
    x = 1,032,194,739.60

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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.