Home / 472,392,837.70-708,589,256.55-318,204,088.90

Finding the Fourth Proportional to 472,392,837.70, 708,589,256.55 and 318,204,088.90

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Solution

The fourth proportional to 472,392,837.70, 708,589,256.55 and 318,204,088.90 is: 477,306,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,837.70 : 708,589,256.55 = 318,204,088.90 : x
  2. Step 2: Convert to fraction form
    472,392,837.70/708,589,256.55 = 318,204,088.90/x
  3. Step 3: Cross multiply
    472,392,837.70x = 708,589,256.55 × 318,204,088.90
  4. Step 4: Simplify right side
    472,392,837.70x = 225,475,998,784,821,088
  5. Step 5: Solve for x
    x = 225,475,998,784,821,088/472,392,837.70
  6. Step 6: Final answer
    x = 477,306,133.35

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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.