Home / 819,799,016.40-1,229,698,524.60-237,552,256.80

Finding the Fourth Proportional to 819,799,016.40, 1,229,698,524.60 and 237,552,256.80

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Solution

The fourth proportional to 819,799,016.40, 1,229,698,524.60 and 237,552,256.80 is: 356,328,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,799,016.40 : 1,229,698,524.60 = 237,552,256.80 : x
  2. Step 2: Convert to fraction form
    819,799,016.40/1,229,698,524.60 = 237,552,256.80/x
  3. Step 3: Cross multiply
    819,799,016.40x = 1,229,698,524.60 × 237,552,256.80
  4. Step 4: Simplify right side
    819,799,016.40x = 292,117,659,702,360,320
  5. Step 5: Solve for x
    x = 292,117,659,702,360,320/819,799,016.40
  6. Step 6: Final answer
    x = 356,328,385.20

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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.