Home / 492,058,986.30-738,088,479.45-396,507,498.30

Finding the Fourth Proportional to 492,058,986.30, 738,088,479.45 and 396,507,498.30

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Solution

The fourth proportional to 492,058,986.30, 738,088,479.45 and 396,507,498.30 is: 594,761,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,058,986.30 : 738,088,479.45 = 396,507,498.30 : x
  2. Step 2: Convert to fraction form
    492,058,986.30/738,088,479.45 = 396,507,498.30/x
  3. Step 3: Cross multiply
    492,058,986.30x = 738,088,479.45 × 396,507,498.30
  4. Step 4: Simplify right side
    492,058,986.30x = 292,657,616,510,770,496
  5. Step 5: Solve for x
    x = 292,657,616,510,770,496/492,058,986.30
  6. Step 6: Final answer
    x = 594,761,247.45

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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.