Home / 314,928,207.40-472,392,311.10-228,260,021.80

Finding the Fourth Proportional to 314,928,207.40, 472,392,311.10 and 228,260,021.80

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Solution

The fourth proportional to 314,928,207.40, 472,392,311.10 and 228,260,021.80 is: 342,390,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,207.40 : 472,392,311.10 = 228,260,021.80 : x
  2. Step 2: Convert to fraction form
    314,928,207.40/472,392,311.10 = 228,260,021.80/x
  3. Step 3: Cross multiply
    314,928,207.40x = 472,392,311.10 × 228,260,021.80
  4. Step 4: Simplify right side
    314,928,207.40x = 107,828,279,229,838,400
  5. Step 5: Solve for x
    x = 107,828,279,229,838,400/314,928,207.40
  6. Step 6: Final answer
    x = 342,390,032.70

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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.