Home / 492,076,377.10-738,220,853.85-147,064,879.90

Finding the Fourth Proportional to 492,076,377.10, 738,220,853.85 and 147,064,879.90

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Solution

The fourth proportional to 492,076,377.10, 738,220,853.85 and 147,064,879.90 is: 220,629,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,076,377.10 : 738,220,853.85 = 147,064,879.90 : x
  2. Step 2: Convert to fraction form
    492,076,377.10/738,220,853.85 = 147,064,879.90/x
  3. Step 3: Cross multiply
    492,076,377.10x = 738,220,853.85 × 147,064,879.90
  4. Step 4: Simplify right side
    492,076,377.10x = 108,566,361,211,125,712
  5. Step 5: Solve for x
    x = 108,566,361,211,125,712/492,076,377.10
  6. Step 6: Final answer
    x = 220,629,085.78

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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.