Home / 986,288,684.31-1,479,502,048.19-396,078,828.08

Finding the Fourth Proportional to 986,288,684.31, 1,479,502,048.19 and 396,078,828.08

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Solution

The fourth proportional to 986,288,684.31, 1,479,502,048.19 and 396,078,828.08 is: 594,145,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,288,684.31 : 1,479,502,048.19 = 396,078,828.08 : x
  2. Step 2: Convert to fraction form
    986,288,684.31/1,479,502,048.19 = 396,078,828.08/x
  3. Step 3: Cross multiply
    986,288,684.31x = 1,479,502,048.19 × 396,078,828.08
  4. Step 4: Simplify right side
    986,288,684.31x = 585,999,437,379,676,928
  5. Step 5: Solve for x
    x = 585,999,437,379,676,928/986,288,684.31
  6. Step 6: Final answer
    x = 594,145,960.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.