Home / 817,996,986.40-1,226,995,479.60-635,254,765.60

Finding the Fourth Proportional to 817,996,986.40, 1,226,995,479.60 and 635,254,765.60

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Solution

The fourth proportional to 817,996,986.40, 1,226,995,479.60 and 635,254,765.60 is: 952,882,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,996,986.40 : 1,226,995,479.60 = 635,254,765.60 : x
  2. Step 2: Convert to fraction form
    817,996,986.40/1,226,995,479.60 = 635,254,765.60/x
  3. Step 3: Cross multiply
    817,996,986.40x = 1,226,995,479.60 × 635,254,765.60
  4. Step 4: Simplify right side
    817,996,986.40x = 779,454,725,785,557,504
  5. Step 5: Solve for x
    x = 779,454,725,785,557,504/817,996,986.40
  6. Step 6: Final answer
    x = 952,882,148.40

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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.