Home / 798,889,479.20-1,195,680,010.80-579,917,319.20

Finding the Fourth Proportional to 798,889,479.20, 1,195,680,010.80 and 579,917,319.20

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Solution

The fourth proportional to 798,889,479.20, 1,195,680,010.80 and 579,917,319.20 is: 867,949,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,889,479.20 : 1,195,680,010.80 = 579,917,319.20 : x
  2. Step 2: Convert to fraction form
    798,889,479.20/1,195,680,010.80 = 579,917,319.20/x
  3. Step 3: Cross multiply
    798,889,479.20x = 1,195,680,010.80 × 579,917,319.20
  4. Step 4: Simplify right side
    798,889,479.20x = 693,395,546,484,163,072
  5. Step 5: Solve for x
    x = 693,395,546,484,163,072/798,889,479.20
  6. Step 6: Final answer
    x = 867,949,277.76

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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.