Home / 377,464,574.76-520,632,785.05-251,953,489.18

Finding the Fourth Proportional to 377,464,574.76, 520,632,785.05 and 251,953,489.18

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Solution

The fourth proportional to 377,464,574.76, 520,632,785.05 and 251,953,489.18 is: 347,516,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,464,574.76 : 520,632,785.05 = 251,953,489.18 : x
  2. Step 2: Convert to fraction form
    377,464,574.76/520,632,785.05 = 251,953,489.18/x
  3. Step 3: Cross multiply
    377,464,574.76x = 520,632,785.05 × 251,953,489.18
  4. Step 4: Simplify right side
    377,464,574.76x = 131,175,246,774,848,448
  5. Step 5: Solve for x
    x = 131,175,246,774,848,448/377,464,574.76
  6. Step 6: Final answer
    x = 347,516,708.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.