Home / 412,128,002.30-618,192,003.45-248,869,327.10

Finding the Fourth Proportional to 412,128,002.30, 618,192,003.45 and 248,869,327.10

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Solution

The fourth proportional to 412,128,002.30, 618,192,003.45 and 248,869,327.10 is: 373,303,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,128,002.30 : 618,192,003.45 = 248,869,327.10 : x
  2. Step 2: Convert to fraction form
    412,128,002.30/618,192,003.45 = 248,869,327.10/x
  3. Step 3: Cross multiply
    412,128,002.30x = 618,192,003.45 × 248,869,327.10
  4. Step 4: Simplify right side
    412,128,002.30x = 153,849,027,917,202,400
  5. Step 5: Solve for x
    x = 153,849,027,917,202,400/412,128,002.30
  6. Step 6: Final answer
    x = 373,303,990.65

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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.