Home / 883,760,997.84-1,219,644,613.95-487,282,761.29

Finding the Fourth Proportional to 883,760,997.84, 1,219,644,613.95 and 487,282,761.29

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Solution

The fourth proportional to 883,760,997.84, 1,219,644,613.95 and 487,282,761.29 is: 672,480,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,760,997.84 : 1,219,644,613.95 = 487,282,761.29 : x
  2. Step 2: Convert to fraction form
    883,760,997.84/1,219,644,613.95 = 487,282,761.29/x
  3. Step 3: Cross multiply
    883,760,997.84x = 1,219,644,613.95 × 487,282,761.29
  4. Step 4: Simplify right side
    883,760,997.84x = 594,311,795,279,935,232
  5. Step 5: Solve for x
    x = 594,311,795,279,935,232/883,760,997.84
  6. Step 6: Final answer
    x = 672,480,225.69

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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.