Home / 862,134,799.20-1,293,202,198.80-590,037,007.20

Finding the Fourth Proportional to 862,134,799.20, 1,293,202,198.80 and 590,037,007.20

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Solution

The fourth proportional to 862,134,799.20, 1,293,202,198.80 and 590,037,007.20 is: 885,055,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,134,799.20 : 1,293,202,198.80 = 590,037,007.20 : x
  2. Step 2: Convert to fraction form
    862,134,799.20/1,293,202,198.80 = 590,037,007.20/x
  3. Step 3: Cross multiply
    862,134,799.20x = 1,293,202,198.80 × 590,037,007.20
  4. Step 4: Simplify right side
    862,134,799.20x = 763,037,155,084,411,520
  5. Step 5: Solve for x
    x = 763,037,155,084,411,520/862,134,799.20
  6. Step 6: Final answer
    x = 885,055,510.80

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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.