Home / 981,651,698.20-1,472,477,547.30-254,640,410.20

Finding the Fourth Proportional to 981,651,698.20, 1,472,477,547.30 and 254,640,410.20

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Solution

The fourth proportional to 981,651,698.20, 1,472,477,547.30 and 254,640,410.20 is: 381,960,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,651,698.20 : 1,472,477,547.30 = 254,640,410.20 : x
  2. Step 2: Convert to fraction form
    981,651,698.20/1,472,477,547.30 = 254,640,410.20/x
  3. Step 3: Cross multiply
    981,651,698.20x = 1,472,477,547.30 × 254,640,410.20
  4. Step 4: Simplify right side
    981,651,698.20x = 374,952,286,654,761,856
  5. Step 5: Solve for x
    x = 374,952,286,654,761,856/981,651,698.20
  6. Step 6: Final answer
    x = 381,960,615.30

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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.