Home / 839,809,934.20-1,259,714,901.30-755,157,287.80

Finding the Fourth Proportional to 839,809,934.20, 1,259,714,901.30 and 755,157,287.80

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Solution

The fourth proportional to 839,809,934.20, 1,259,714,901.30 and 755,157,287.80 is: 1,132,735,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,934.20 : 1,259,714,901.30 = 755,157,287.80 : x
  2. Step 2: Convert to fraction form
    839,809,934.20/1,259,714,901.30 = 755,157,287.80/x
  3. Step 3: Cross multiply
    839,809,934.20x = 1,259,714,901.30 × 755,157,287.80
  4. Step 4: Simplify right side
    839,809,934.20x = 951,282,888,266,952,576
  5. Step 5: Solve for x
    x = 951,282,888,266,952,576/839,809,934.20
  6. Step 6: Final answer
    x = 1,132,735,931.70

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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.