Home / 440,180,852,716.60-660,271,279,074.90-387,181,729,821.40

Finding the Fourth Proportional to 440,180,852,716.60, 660,271,279,074.90 and 387,181,729,821.40

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Solution

The fourth proportional to 440,180,852,716.60, 660,271,279,074.90 and 387,181,729,821.40 is: 580,772,594,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,180,852,716.60 : 660,271,279,074.90 = 387,181,729,821.40 : x
  2. Step 2: Convert to fraction form
    440,180,852,716.60/660,271,279,074.90 = 387,181,729,821.40/x
  3. Step 3: Cross multiply
    440,180,852,716.60x = 660,271,279,074.90 × 387,181,729,821.40
  4. Step 4: Simplify right side
    440,180,852,716.60x = 255,644,975,983,608,161,370,112
  5. Step 5: Solve for x
    x = 255,644,975,983,608,161,370,112/440,180,852,716.60
  6. Step 6: Final answer
    x = 580,772,594,732.10

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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.