Home / 440,416,921.28-607,814,078.32-242,213,343.12

Finding the Fourth Proportional to 440,416,921.28, 607,814,078.32 and 242,213,343.12

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Solution

The fourth proportional to 440,416,921.28, 607,814,078.32 and 242,213,343.12 is: 334,275,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,416,921.28 : 607,814,078.32 = 242,213,343.12 : x
  2. Step 2: Convert to fraction form
    440,416,921.28/607,814,078.32 = 242,213,343.12/x
  3. Step 3: Cross multiply
    440,416,921.28x = 607,814,078.32 × 242,213,343.12
  4. Step 4: Simplify right side
    440,416,921.28x = 147,220,679,905,288,736
  5. Step 5: Solve for x
    x = 147,220,679,905,288,736/440,416,921.28
  6. Step 6: Final answer
    x = 334,275,711.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.