Home / 440,180,852,715.60-660,271,279,073.40-387,181,729,820.40

Finding the Fourth Proportional to 440,180,852,715.60, 660,271,279,073.40 and 387,181,729,820.40

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Solution

The fourth proportional to 440,180,852,715.60, 660,271,279,073.40 and 387,181,729,820.40 is: 580,772,594,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,180,852,715.60 : 660,271,279,073.40 = 387,181,729,820.40 : x
  2. Step 2: Convert to fraction form
    440,180,852,715.60/660,271,279,073.40 = 387,181,729,820.40/x
  3. Step 3: Cross multiply
    440,180,852,715.60x = 660,271,279,073.40 × 387,181,729,820.40
  4. Step 4: Simplify right side
    440,180,852,715.60x = 255,644,975,982,367,117,148,160
  5. Step 5: Solve for x
    x = 255,644,975,982,367,117,148,160/440,180,852,715.60
  6. Step 6: Final answer
    x = 580,772,594,730.60

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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.