Home / 314,930,735.80-472,396,103.70-192,486,729.40

Finding the Fourth Proportional to 314,930,735.80, 472,396,103.70 and 192,486,729.40

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Solution

The fourth proportional to 314,930,735.80, 472,396,103.70 and 192,486,729.40 is: 288,730,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,735.80 : 472,396,103.70 = 192,486,729.40 : x
  2. Step 2: Convert to fraction form
    314,930,735.80/472,396,103.70 = 192,486,729.40/x
  3. Step 3: Cross multiply
    314,930,735.80x = 472,396,103.70 × 192,486,729.40
  4. Step 4: Simplify right side
    314,930,735.80x = 90,929,980,982,516,240
  5. Step 5: Solve for x
    x = 90,929,980,982,516,240/314,930,735.80
  6. Step 6: Final answer
    x = 288,730,094.10

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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.