Home / 490,241,800.34-676,513,323.66-267,218,575.22

Finding the Fourth Proportional to 490,241,800.34, 676,513,323.66 and 267,218,575.22

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Solution

The fourth proportional to 490,241,800.34, 676,513,323.66 and 267,218,575.22 is: 368,750,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,241,800.34 : 676,513,323.66 = 267,218,575.22 : x
  2. Step 2: Convert to fraction form
    490,241,800.34/676,513,323.66 = 267,218,575.22/x
  3. Step 3: Cross multiply
    490,241,800.34x = 676,513,323.66 × 267,218,575.22
  4. Step 4: Simplify right side
    490,241,800.34x = 180,776,926,465,771,904
  5. Step 5: Solve for x
    x = 180,776,926,465,771,904/490,241,800.34
  6. Step 6: Final answer
    x = 368,750,535.63

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1.5x scale

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.