Home / 1,012,853,417.88-1,519,067,550.42-285,672,068.76

Finding the Fourth Proportional to 1,012,853,417.88, 1,519,067,550.42 and 285,672,068.76

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Solution

The fourth proportional to 1,012,853,417.88, 1,519,067,550.42 and 285,672,068.76 is: 428,448,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,853,417.88 : 1,519,067,550.42 = 285,672,068.76 : x
  2. Step 2: Convert to fraction form
    1,012,853,417.88/1,519,067,550.42 = 285,672,068.76/x
  3. Step 3: Cross multiply
    1,012,853,417.88x = 1,519,067,550.42 × 285,672,068.76
  4. Step 4: Simplify right side
    1,012,853,417.88x = 433,955,169,714,667,008
  5. Step 5: Solve for x
    x = 433,955,169,714,667,008/1,012,853,417.88
  6. Step 6: Final answer
    x = 428,448,146.65

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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.