Home / 1,472,002,067.80-2,208,003,101.70-852,129,285.40

Finding the Fourth Proportional to 1,472,002,067.80, 2,208,003,101.70 and 852,129,285.40

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Solution

The fourth proportional to 1,472,002,067.80, 2,208,003,101.70 and 852,129,285.40 is: 1,278,193,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,002,067.80 : 2,208,003,101.70 = 852,129,285.40 : x
  2. Step 2: Convert to fraction form
    1,472,002,067.80/2,208,003,101.70 = 852,129,285.40/x
  3. Step 3: Cross multiply
    1,472,002,067.80x = 2,208,003,101.70 × 852,129,285.40
  4. Step 4: Simplify right side
    1,472,002,067.80x = 1,881,504,105,212,604,416
  5. Step 5: Solve for x
    x = 1,881,504,105,212,604,416/1,472,002,067.80
  6. Step 6: Final answer
    x = 1,278,193,928.10

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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.