Home / 866,585,137.52-1,195,887,489.76-495,315,140.52

Finding the Fourth Proportional to 866,585,137.52, 1,195,887,489.76 and 495,315,140.52

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Solution

The fourth proportional to 866,585,137.52, 1,195,887,489.76 and 495,315,140.52 is: 683,534,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,585,137.52 : 1,195,887,489.76 = 495,315,140.52 : x
  2. Step 2: Convert to fraction form
    866,585,137.52/1,195,887,489.76 = 495,315,140.52/x
  3. Step 3: Cross multiply
    866,585,137.52x = 1,195,887,489.76 × 495,315,140.52
  4. Step 4: Simplify right side
    866,585,137.52x = 592,341,180,036,584,448
  5. Step 5: Solve for x
    x = 592,341,180,036,584,448/866,585,137.52
  6. Step 6: Final answer
    x = 683,534,893.91

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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.