Home / 314,928,310.40-472,392,465.60-238,400,806.40

Finding the Fourth Proportional to 314,928,310.40, 472,392,465.60 and 238,400,806.40

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Solution

The fourth proportional to 314,928,310.40, 472,392,465.60 and 238,400,806.40 is: 357,601,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,310.40 : 472,392,465.60 = 238,400,806.40 : x
  2. Step 2: Convert to fraction form
    314,928,310.40/472,392,465.60 = 238,400,806.40/x
  3. Step 3: Cross multiply
    314,928,310.40x = 472,392,465.60 × 238,400,806.40
  4. Step 4: Simplify right side
    314,928,310.40x = 112,618,744,736,324,272
  5. Step 5: Solve for x
    x = 112,618,744,736,324,272/314,928,310.40
  6. Step 6: Final answer
    x = 357,601,209.60

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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.