Home / 472,445,143.20-708,667,714.80-185,230,807.20

Finding the Fourth Proportional to 472,445,143.20, 708,667,714.80 and 185,230,807.20

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Solution

The fourth proportional to 472,445,143.20, 708,667,714.80 and 185,230,807.20 is: 277,846,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,445,143.20 : 708,667,714.80 = 185,230,807.20 : x
  2. Step 2: Convert to fraction form
    472,445,143.20/708,667,714.80 = 185,230,807.20/x
  3. Step 3: Cross multiply
    472,445,143.20x = 708,667,714.80 × 185,230,807.20
  4. Step 4: Simplify right side
    472,445,143.20x = 131,267,092,848,983,376
  5. Step 5: Solve for x
    x = 131,267,092,848,983,376/472,445,143.20
  6. Step 6: Final answer
    x = 277,846,210.80

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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.