Home / 784,881,799.83-1,177,504,865.91-267,316,724.34

Finding the Fourth Proportional to 784,881,799.83, 1,177,504,865.91 and 267,316,724.34

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Solution

The fourth proportional to 784,881,799.83, 1,177,504,865.91 and 267,316,724.34 is: 401,037,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,881,799.83 : 1,177,504,865.91 = 267,316,724.34 : x
  2. Step 2: Convert to fraction form
    784,881,799.83/1,177,504,865.91 = 267,316,724.34/x
  3. Step 3: Cross multiply
    784,881,799.83x = 1,177,504,865.91 × 267,316,724.34
  4. Step 4: Simplify right side
    784,881,799.83x = 314,766,743,649,472,192
  5. Step 5: Solve for x
    x = 314,766,743,649,472,192/784,881,799.83
  6. Step 6: Final answer
    x = 401,037,129.05

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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.