Home / 523,352,974.06-722,231,848.47-288,412,052.86

Finding the Fourth Proportional to 523,352,974.06, 722,231,848.47 and 288,412,052.86

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Solution

The fourth proportional to 523,352,974.06, 722,231,848.47 and 288,412,052.86 is: 398,011,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,352,974.06 : 722,231,848.47 = 288,412,052.86 : x
  2. Step 2: Convert to fraction form
    523,352,974.06/722,231,848.47 = 288,412,052.86/x
  3. Step 3: Cross multiply
    523,352,974.06x = 722,231,848.47 × 288,412,052.86
  4. Step 4: Simplify right side
    523,352,974.06x = 208,300,370,058,105,184
  5. Step 5: Solve for x
    x = 208,300,370,058,105,184/523,352,974.06
  6. Step 6: Final answer
    x = 398,011,247.44

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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.