Home / 434,554,200.90-651,831,301.35-386,937,087.30

Finding the Fourth Proportional to 434,554,200.90, 651,831,301.35 and 386,937,087.30

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Solution

The fourth proportional to 434,554,200.90, 651,831,301.35 and 386,937,087.30 is: 580,405,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,554,200.90 : 651,831,301.35 = 386,937,087.30 : x
  2. Step 2: Convert to fraction form
    434,554,200.90/651,831,301.35 = 386,937,087.30/x
  3. Step 3: Cross multiply
    434,554,200.90x = 651,831,301.35 × 386,937,087.30
  4. Step 4: Simplify right side
    434,554,200.90x = 252,217,705,155,337,568
  5. Step 5: Solve for x
    x = 252,217,705,155,337,568/434,554,200.90
  6. Step 6: Final answer
    x = 580,405,630.95

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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.