Home / 454,712,138.40-682,068,207.60-282,525,254.40

Finding the Fourth Proportional to 454,712,138.40, 682,068,207.60 and 282,525,254.40

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Solution

The fourth proportional to 454,712,138.40, 682,068,207.60 and 282,525,254.40 is: 423,787,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,712,138.40 : 682,068,207.60 = 282,525,254.40 : x
  2. Step 2: Convert to fraction form
    454,712,138.40/682,068,207.60 = 282,525,254.40/x
  3. Step 3: Cross multiply
    454,712,138.40x = 682,068,207.60 × 282,525,254.40
  4. Step 4: Simplify right side
    454,712,138.40x = 192,701,493,870,342,016
  5. Step 5: Solve for x
    x = 192,701,493,870,342,016/454,712,138.40
  6. Step 6: Final answer
    x = 423,787,881.60

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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.