Home / 866,585,155.29-1,195,887,514.41-495,315,158.28

Finding the Fourth Proportional to 866,585,155.29, 1,195,887,514.41 and 495,315,158.28

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Solution

The fourth proportional to 866,585,155.29, 1,195,887,514.41 and 495,315,158.28 is: 683,534,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,585,155.29 : 1,195,887,514.41 = 495,315,158.28 : x
  2. Step 2: Convert to fraction form
    866,585,155.29/1,195,887,514.41 = 495,315,158.28/x
  3. Step 3: Cross multiply
    866,585,155.29x = 1,195,887,514.41 × 495,315,158.28
  4. Step 4: Simplify right side
    866,585,155.29x = 592,341,213,485,315,712
  5. Step 5: Solve for x
    x = 592,341,213,485,315,712/866,585,155.29
  6. Step 6: Final answer
    x = 683,534,918.49

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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.