Home / 908,692,150.80-1,253,995,502.80-491,004,434.64

Finding the Fourth Proportional to 908,692,150.80, 1,253,995,502.80 and 491,004,434.64

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Solution

The fourth proportional to 908,692,150.80, 1,253,995,502.80 and 491,004,434.64 is: 677,586,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,692,150.80 : 1,253,995,502.80 = 491,004,434.64 : x
  2. Step 2: Convert to fraction form
    908,692,150.80/1,253,995,502.80 = 491,004,434.64/x
  3. Step 3: Cross multiply
    908,692,150.80x = 1,253,995,502.80 × 491,004,434.64
  4. Step 4: Simplify right side
    908,692,150.80x = 615,717,352,893,416,448
  5. Step 5: Solve for x
    x = 615,717,352,893,416,448/908,692,150.80
  6. Step 6: Final answer
    x = 677,586,300.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.