Home / 520,039,034.30-780,174,025.05-174,982,922.30

Finding the Fourth Proportional to 520,039,034.30, 780,174,025.05 and 174,982,922.30

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Solution

The fourth proportional to 520,039,034.30, 780,174,025.05 and 174,982,922.30 is: 262,513,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,039,034.30 : 780,174,025.05 = 174,982,922.30 : x
  2. Step 2: Convert to fraction form
    520,039,034.30/780,174,025.05 = 174,982,922.30/x
  3. Step 3: Cross multiply
    520,039,034.30x = 780,174,025.05 × 174,982,922.30
  4. Step 4: Simplify right side
    520,039,034.30x = 136,517,130,805,802,400
  5. Step 5: Solve for x
    x = 136,517,130,805,802,400/520,039,034.30
  6. Step 6: Final answer
    x = 262,513,238.05

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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.