Home / 1,780,091,262.52-2,456,521,995.18-987,117,643.96

Finding the Fourth Proportional to 1,780,091,262.52, 2,456,521,995.18 and 987,117,643.96

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Solution

The fourth proportional to 1,780,091,262.52, 2,456,521,995.18 and 987,117,643.96 is: 1,362,220,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,091,262.52 : 2,456,521,995.18 = 987,117,643.96 : x
  2. Step 2: Convert to fraction form
    1,780,091,262.52/2,456,521,995.18 = 987,117,643.96/x
  3. Step 3: Cross multiply
    1,780,091,262.52x = 2,456,521,995.18 × 987,117,643.96
  4. Step 4: Simplify right side
    1,780,091,262.52x = 2,424,876,204,217,999,872
  5. Step 5: Solve for x
    x = 2,424,876,204,217,999,872/1,780,091,262.52
  6. Step 6: Final answer
    x = 1,362,220,159.87

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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.