Home / 891,096,906.80-1,336,645,360.20-814,506,417.20

Finding the Fourth Proportional to 891,096,906.80, 1,336,645,360.20 and 814,506,417.20

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Solution

The fourth proportional to 891,096,906.80, 1,336,645,360.20 and 814,506,417.20 is: 1,221,759,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,096,906.80 : 1,336,645,360.20 = 814,506,417.20 : x
  2. Step 2: Convert to fraction form
    891,096,906.80/1,336,645,360.20 = 814,506,417.20/x
  3. Step 3: Cross multiply
    891,096,906.80x = 1,336,645,360.20 × 814,506,417.20
  4. Step 4: Simplify right side
    891,096,906.80x = 1,088,706,223,403,505,536
  5. Step 5: Solve for x
    x = 1,088,706,223,403,505,536/891,096,906.80
  6. Step 6: Final answer
    x = 1,221,759,625.80

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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.