Home / 472,393,028.80-708,589,543.20-214,112,702.80

Finding the Fourth Proportional to 472,393,028.80, 708,589,543.20 and 214,112,702.80

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Solution

The fourth proportional to 472,393,028.80, 708,589,543.20 and 214,112,702.80 is: 321,169,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,028.80 : 708,589,543.20 = 214,112,702.80 : x
  2. Step 2: Convert to fraction form
    472,393,028.80/708,589,543.20 = 214,112,702.80/x
  3. Step 3: Cross multiply
    472,393,028.80x = 708,589,543.20 × 214,112,702.80
  4. Step 4: Simplify right side
    472,393,028.80x = 151,718,022,270,369,376
  5. Step 5: Solve for x
    x = 151,718,022,270,369,376/472,393,028.80
  6. Step 6: Final answer
    x = 321,169,054.20

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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.