Home / 880,233,023.60-1,320,349,535.40-421,067,999.60

Finding the Fourth Proportional to 880,233,023.60, 1,320,349,535.40 and 421,067,999.60

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Solution

The fourth proportional to 880,233,023.60, 1,320,349,535.40 and 421,067,999.60 is: 631,601,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,233,023.60 : 1,320,349,535.40 = 421,067,999.60 : x
  2. Step 2: Convert to fraction form
    880,233,023.60/1,320,349,535.40 = 421,067,999.60/x
  3. Step 3: Cross multiply
    880,233,023.60x = 1,320,349,535.40 × 421,067,999.60
  4. Step 4: Simplify right side
    880,233,023.60x = 555,956,937,643,667,456
  5. Step 5: Solve for x
    x = 555,956,937,643,667,456/880,233,023.60
  6. Step 6: Final answer
    x = 631,601,999.40

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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.