Home / 879,962,565.60-1,320,039,474.98-327,200,152.68

Finding the Fourth Proportional to 879,962,565.60, 1,320,039,474.98 and 327,200,152.68

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Solution

The fourth proportional to 879,962,565.60, 1,320,039,474.98 and 327,200,152.68 is: 490,835,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,962,565.60 : 1,320,039,474.98 = 327,200,152.68 : x
  2. Step 2: Convert to fraction form
    879,962,565.60/1,320,039,474.98 = 327,200,152.68/x
  3. Step 3: Cross multiply
    879,962,565.60x = 1,320,039,474.98 × 327,200,152.68
  4. Step 4: Simplify right side
    879,962,565.60x = 431,917,117,755,447,040
  5. Step 5: Solve for x
    x = 431,917,117,755,447,040/879,962,565.60
  6. Step 6: Final answer
    x = 490,835,786.25

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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.