Home / 15,550,752,958.83-21,460,025,216.93-8,777,997,121.23

Finding the Fourth Proportional to 15,550,752,958.83, 21,460,025,216.93 and 8,777,997,121.23

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Solution

The fourth proportional to 15,550,752,958.83, 21,460,025,216.93 and 8,777,997,121.23 is: 12,113,628,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,752,958.83 : 21,460,025,216.93 = 8,777,997,121.23 : x
  2. Step 2: Convert to fraction form
    15,550,752,958.83/21,460,025,216.93 = 8,777,997,121.23/x
  3. Step 3: Cross multiply
    15,550,752,958.83x = 21,460,025,216.93 × 8,777,997,121.23
  4. Step 4: Simplify right side
    15,550,752,958.83x = 188,376,039,575,690,838,016
  5. Step 5: Solve for x
    x = 188,376,039,575,690,838,016/15,550,752,958.83
  6. Step 6: Final answer
    x = 12,113,628,200.15

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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.