Home / 862,145,931.84-1,294,036,489.92-533,627,708.48

Finding the Fourth Proportional to 862,145,931.84, 1,294,036,489.92 and 533,627,708.48

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Solution

The fourth proportional to 862,145,931.84, 1,294,036,489.92 and 533,627,708.48 is: 800,947,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,145,931.84 : 1,294,036,489.92 = 533,627,708.48 : x
  2. Step 2: Convert to fraction form
    862,145,931.84/1,294,036,489.92 = 533,627,708.48/x
  3. Step 3: Cross multiply
    862,145,931.84x = 1,294,036,489.92 × 533,627,708.48
  4. Step 4: Simplify right side
    862,145,931.84x = 690,533,726,805,512,320
  5. Step 5: Solve for x
    x = 690,533,726,805,512,320/862,145,931.84
  6. Step 6: Final answer
    x = 800,947,613.74

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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.