Home / 440,180,852,721.60-660,271,279,082.40-387,181,729,826.40

Finding the Fourth Proportional to 440,180,852,721.60, 660,271,279,082.40 and 387,181,729,826.40

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Solution

The fourth proportional to 440,180,852,721.60, 660,271,279,082.40 and 387,181,729,826.40 is: 580,772,594,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,180,852,721.60 : 660,271,279,082.40 = 387,181,729,826.40 : x
  2. Step 2: Convert to fraction form
    440,180,852,721.60/660,271,279,082.40 = 387,181,729,826.40/x
  3. Step 3: Cross multiply
    440,180,852,721.60x = 660,271,279,082.40 × 387,181,729,826.40
  4. Step 4: Simplify right side
    440,180,852,721.60x = 255,644,975,989,813,382,479,872
  5. Step 5: Solve for x
    x = 255,644,975,989,813,382,479,872/440,180,852,721.60
  6. Step 6: Final answer
    x = 580,772,594,739.60

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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.