Home / 880,675,327.58-1,215,260,072.48-518,512,125.70

Finding the Fourth Proportional to 880,675,327.58, 1,215,260,072.48 and 518,512,125.70

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Solution

The fourth proportional to 880,675,327.58, 1,215,260,072.48 and 518,512,125.70 is: 715,504,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,675,327.58 : 1,215,260,072.48 = 518,512,125.70 : x
  2. Step 2: Convert to fraction form
    880,675,327.58/1,215,260,072.48 = 518,512,125.70/x
  3. Step 3: Cross multiply
    880,675,327.58x = 1,215,260,072.48 × 518,512,125.70
  4. Step 4: Simplify right side
    880,675,327.58x = 630,127,083,459,940,864
  5. Step 5: Solve for x
    x = 630,127,083,459,940,864/880,675,327.58
  6. Step 6: Final answer
    x = 715,504,413.18

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1.5x scale

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.