Home / 314,930,689.20-472,396,033.80-249,173,722.80

Finding the Fourth Proportional to 314,930,689.20, 472,396,033.80 and 249,173,722.80

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Solution

The fourth proportional to 314,930,689.20, 472,396,033.80 and 249,173,722.80 is: 373,760,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,689.20 : 472,396,033.80 = 249,173,722.80 : x
  2. Step 2: Convert to fraction form
    314,930,689.20/472,396,033.80 = 249,173,722.80/x
  3. Step 3: Cross multiply
    314,930,689.20x = 472,396,033.80 × 249,173,722.80
  4. Step 4: Simplify right side
    314,930,689.20x = 117,708,678,377,900,640
  5. Step 5: Solve for x
    x = 117,708,678,377,900,640/314,930,689.20
  6. Step 6: Final answer
    x = 373,760,584.20

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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.