Home / 866,585,136.52-1,195,887,488.40-495,315,139.48

Finding the Fourth Proportional to 866,585,136.52, 1,195,887,488.40 and 495,315,139.48

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Solution

The fourth proportional to 866,585,136.52, 1,195,887,488.40 and 495,315,139.48 is: 683,534,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,585,136.52 : 1,195,887,488.40 = 495,315,139.48 : x
  2. Step 2: Convert to fraction form
    866,585,136.52/1,195,887,488.40 = 495,315,139.48/x
  3. Step 3: Cross multiply
    866,585,136.52x = 1,195,887,488.40 × 495,315,139.48
  4. Step 4: Simplify right side
    866,585,136.52x = 592,341,178,119,232,896
  5. Step 5: Solve for x
    x = 592,341,178,119,232,896/866,585,136.52
  6. Step 6: Final answer
    x = 683,534,892.48

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Double scale
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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.