Home / 1,012,835,923.20-1,519,041,305.52-285,654,574.08

Finding the Fourth Proportional to 1,012,835,923.20, 1,519,041,305.52 and 285,654,574.08

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Solution

The fourth proportional to 1,012,835,923.20, 1,519,041,305.52 and 285,654,574.08 is: 428,421,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,835,923.20 : 1,519,041,305.52 = 285,654,574.08 : x
  2. Step 2: Convert to fraction form
    1,012,835,923.20/1,519,041,305.52 = 285,654,574.08/x
  3. Step 3: Cross multiply
    1,012,835,923.20x = 1,519,041,305.52 × 285,654,574.08
  4. Step 4: Simplify right side
    1,012,835,923.20x = 433,921,097,138,242,752
  5. Step 5: Solve for x
    x = 433,921,097,138,242,752/1,012,835,923.20
  6. Step 6: Final answer
    x = 428,421,906.45

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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.