Home / 523,302,165.77-722,172,393.06-288,367,959.87

Finding the Fourth Proportional to 523,302,165.77, 722,172,393.06 and 288,367,959.87

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Solution

The fourth proportional to 523,302,165.77, 722,172,393.06 and 288,367,959.87 is: 397,956,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,302,165.77 : 722,172,393.06 = 288,367,959.87 : x
  2. Step 2: Convert to fraction form
    523,302,165.77/722,172,393.06 = 288,367,959.87/x
  3. Step 3: Cross multiply
    523,302,165.77x = 722,172,393.06 × 288,367,959.87
  4. Step 4: Simplify right side
    523,302,165.77x = 208,251,379,660,066,560
  5. Step 5: Solve for x
    x = 208,251,379,660,066,560/523,302,165.77
  6. Step 6: Final answer
    x = 397,956,273.23

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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.