Home / 3,976,018,771.80-5,486,922,535.86-2,191,833,061.72

Finding the Fourth Proportional to 3,976,018,771.80, 5,486,922,535.86 and 2,191,833,061.72

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Solution

The fourth proportional to 3,976,018,771.80, 5,486,922,535.86 and 2,191,833,061.72 is: 3,024,738,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,018,771.80 : 5,486,922,535.86 = 2,191,833,061.72 : x
  2. Step 2: Convert to fraction form
    3,976,018,771.80/5,486,922,535.86 = 2,191,833,061.72/x
  3. Step 3: Cross multiply
    3,976,018,771.80x = 5,486,922,535.86 × 2,191,833,061.72
  4. Step 4: Simplify right side
    3,976,018,771.80x = 12,026,418,221,194,487,808
  5. Step 5: Solve for x
    x = 12,026,418,221,194,487,808/3,976,018,771.80
  6. Step 6: Final answer
    x = 3,024,738,793.11

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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.