Home / 440,180,852,705.10-660,271,279,057.65-387,181,729,809.90

Finding the Fourth Proportional to 440,180,852,705.10, 660,271,279,057.65 and 387,181,729,809.90

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Solution

The fourth proportional to 440,180,852,705.10, 660,271,279,057.65 and 387,181,729,809.90 is: 580,772,594,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,180,852,705.10 : 660,271,279,057.65 = 387,181,729,809.90 : x
  2. Step 2: Convert to fraction form
    440,180,852,705.10/660,271,279,057.65 = 387,181,729,809.90/x
  3. Step 3: Cross multiply
    440,180,852,705.10x = 660,271,279,057.65 × 387,181,729,809.90
  4. Step 4: Simplify right side
    440,180,852,705.10x = 255,644,975,969,336,152,817,664
  5. Step 5: Solve for x
    x = 255,644,975,969,336,152,817,664/440,180,852,705.10
  6. Step 6: Final answer
    x = 580,772,594,714.85

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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.