Home / 314,928,002.70-472,392,004.05-257,532,374.70

Finding the Fourth Proportional to 314,928,002.70, 472,392,004.05 and 257,532,374.70

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Solution

The fourth proportional to 314,928,002.70, 472,392,004.05 and 257,532,374.70 is: 386,298,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,002.70 : 472,392,004.05 = 257,532,374.70 : x
  2. Step 2: Convert to fraction form
    314,928,002.70/472,392,004.05 = 257,532,374.70/x
  3. Step 3: Cross multiply
    314,928,002.70x = 472,392,004.05 × 257,532,374.70
  4. Step 4: Simplify right side
    314,928,002.70x = 121,656,234,592,288,512
  5. Step 5: Solve for x
    x = 121,656,234,592,288,512/314,928,002.70
  6. Step 6: Final answer
    x = 386,298,562.05

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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.