Home / 314,928,407.40-472,392,611.10-228,260,221.80

Finding the Fourth Proportional to 314,928,407.40, 472,392,611.10 and 228,260,221.80

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Solution

The fourth proportional to 314,928,407.40, 472,392,611.10 and 228,260,221.80 is: 342,390,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,407.40 : 472,392,611.10 = 228,260,221.80 : x
  2. Step 2: Convert to fraction form
    314,928,407.40/472,392,611.10 = 228,260,221.80/x
  3. Step 3: Cross multiply
    314,928,407.40x = 472,392,611.10 × 228,260,221.80
  4. Step 4: Simplify right side
    314,928,407.40x = 107,828,442,186,367,152
  5. Step 5: Solve for x
    x = 107,828,442,186,367,152/314,928,407.40
  6. Step 6: Final answer
    x = 342,390,332.70

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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.