Home / 1,012,835,927.20-1,519,041,311.52-285,654,578.08

Finding the Fourth Proportional to 1,012,835,927.20, 1,519,041,311.52 and 285,654,578.08

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Solution

The fourth proportional to 1,012,835,927.20, 1,519,041,311.52 and 285,654,578.08 is: 428,421,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,835,927.20 : 1,519,041,311.52 = 285,654,578.08 : x
  2. Step 2: Convert to fraction form
    1,012,835,927.20/1,519,041,311.52 = 285,654,578.08/x
  3. Step 3: Cross multiply
    1,012,835,927.20x = 1,519,041,311.52 × 285,654,578.08
  4. Step 4: Simplify right side
    1,012,835,927.20x = 433,921,104,928,335,424
  5. Step 5: Solve for x
    x = 433,921,104,928,335,424/1,012,835,927.20
  6. Step 6: Final answer
    x = 428,421,912.45

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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.