Home / 8,521,540,650,971.20-12,781,019,460,694-2,319,242,016,776.20

Finding the Fourth Proportional to 8,521,540,650,971.20, 12,781,019,460,694 and 2,319,242,016,776.20

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Solution

The fourth proportional to 8,521,540,650,971.20, 12,781,019,460,694 and 2,319,242,016,776.20 is: 3,478,511,523,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,540,650,971.20 : 12,781,019,460,694 = 2,319,242,016,776.20 : x
  2. Step 2: Convert to fraction form
    8,521,540,650,971.20/12,781,019,460,694 = 2,319,242,016,776.20/x
  3. Step 3: Cross multiply
    8,521,540,650,971.20x = 12,781,019,460,694 × 2,319,242,016,776.20
  4. Step 4: Simplify right side
    8,521,540,650,971.20x = 29,642,277,350,475,813,911,265,280
  5. Step 5: Solve for x
    x = 29,642,277,350,475,813,911,265,280/8,521,540,650,971.20
  6. Step 6: Final answer
    x = 3,478,511,523,276.90

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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.