Home / 861,840,209.80-1,292,760,314.70-848,235,320.20

Finding the Fourth Proportional to 861,840,209.80, 1,292,760,314.70 and 848,235,320.20

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Solution

The fourth proportional to 861,840,209.80, 1,292,760,314.70 and 848,235,320.20 is: 1,272,352,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,840,209.80 : 1,292,760,314.70 = 848,235,320.20 : x
  2. Step 2: Convert to fraction form
    861,840,209.80/1,292,760,314.70 = 848,235,320.20/x
  3. Step 3: Cross multiply
    861,840,209.80x = 1,292,760,314.70 × 848,235,320.20
  4. Step 4: Simplify right side
    861,840,209.80x = 1,096,564,959,481,407,360
  5. Step 5: Solve for x
    x = 1,096,564,959,481,407,360/861,840,209.80
  6. Step 6: Final answer
    x = 1,272,352,980.30

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1.5x scale

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.