Home / 998,784,003.20-1,498,176,004.80-515,054,595.20

Finding the Fourth Proportional to 998,784,003.20, 1,498,176,004.80 and 515,054,595.20

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Solution

The fourth proportional to 998,784,003.20, 1,498,176,004.80 and 515,054,595.20 is: 772,581,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,784,003.20 : 1,498,176,004.80 = 515,054,595.20 : x
  2. Step 2: Convert to fraction form
    998,784,003.20/1,498,176,004.80 = 515,054,595.20/x
  3. Step 3: Cross multiply
    998,784,003.20x = 1,498,176,004.80 × 515,054,595.20
  4. Step 4: Simplify right side
    998,784,003.20x = 771,642,435,690,617,216
  5. Step 5: Solve for x
    x = 771,642,435,690,617,216/998,784,003.20
  6. Step 6: Final answer
    x = 772,581,892.80

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Double scale
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1.5x scale

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.