Home / 731,496,584.88-1,009,467,930-396,969,034.72

Finding the Fourth Proportional to 731,496,584.88, 1,009,467,930 and 396,969,034.72

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Solution

The fourth proportional to 731,496,584.88, 1,009,467,930 and 396,969,034.72 is: 547,818,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,496,584.88 : 1,009,467,930 = 396,969,034.72 : x
  2. Step 2: Convert to fraction form
    731,496,584.88/1,009,467,930 = 396,969,034.72/x
  3. Step 3: Cross multiply
    731,496,584.88x = 1,009,467,930 × 396,969,034.72
  4. Step 4: Simplify right side
    731,496,584.88x = 400,727,509,752,896,576
  5. Step 5: Solve for x
    x = 400,727,509,752,896,576/731,496,584.88
  6. Step 6: Final answer
    x = 547,818,702.15

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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.