Home / 838,766,570.80-1,258,149,856.20-475,969,514.80

Finding the Fourth Proportional to 838,766,570.80, 1,258,149,856.20 and 475,969,514.80

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Solution

The fourth proportional to 838,766,570.80, 1,258,149,856.20 and 475,969,514.80 is: 713,954,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,766,570.80 : 1,258,149,856.20 = 475,969,514.80 : x
  2. Step 2: Convert to fraction form
    838,766,570.80/1,258,149,856.20 = 475,969,514.80/x
  3. Step 3: Cross multiply
    838,766,570.80x = 1,258,149,856.20 × 475,969,514.80
  4. Step 4: Simplify right side
    838,766,570.80x = 598,840,976,601,203,840
  5. Step 5: Solve for x
    x = 598,840,976,601,203,840/838,766,570.80
  6. Step 6: Final answer
    x = 713,954,272.20

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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.