Home / 839,832,001.70-1,259,748,002.55-226,478,228.90

Finding the Fourth Proportional to 839,832,001.70, 1,259,748,002.55 and 226,478,228.90

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Solution

The fourth proportional to 839,832,001.70, 1,259,748,002.55 and 226,478,228.90 is: 339,717,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,832,001.70 : 1,259,748,002.55 = 226,478,228.90 : x
  2. Step 2: Convert to fraction form
    839,832,001.70/1,259,748,002.55 = 226,478,228.90/x
  3. Step 3: Cross multiply
    839,832,001.70x = 1,259,748,002.55 × 226,478,228.90
  4. Step 4: Simplify right side
    839,832,001.70x = 285,305,496,477,836,672
  5. Step 5: Solve for x
    x = 285,305,496,477,836,672/839,832,001.70
  6. Step 6: Final answer
    x = 339,717,343.35

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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.