Home / 454,712,139.40-682,068,209.10-282,525,255.40

Finding the Fourth Proportional to 454,712,139.40, 682,068,209.10 and 282,525,255.40

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Solution

The fourth proportional to 454,712,139.40, 682,068,209.10 and 282,525,255.40 is: 423,787,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,712,139.40 : 682,068,209.10 = 282,525,255.40 : x
  2. Step 2: Convert to fraction form
    454,712,139.40/682,068,209.10 = 282,525,255.40/x
  3. Step 3: Cross multiply
    454,712,139.40x = 682,068,209.10 × 282,525,255.40
  4. Step 4: Simplify right side
    454,712,139.40x = 192,701,494,976,198,080
  5. Step 5: Solve for x
    x = 192,701,494,976,198,080/454,712,139.40
  6. Step 6: Final answer
    x = 423,787,883.10

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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.