Home / 431,374,200.40-647,061,300.60-329,337,528.40

Finding the Fourth Proportional to 431,374,200.40, 647,061,300.60 and 329,337,528.40

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Solution

The fourth proportional to 431,374,200.40, 647,061,300.60 and 329,337,528.40 is: 494,006,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,374,200.40 : 647,061,300.60 = 329,337,528.40 : x
  2. Step 2: Convert to fraction form
    431,374,200.40/647,061,300.60 = 329,337,528.40/x
  3. Step 3: Cross multiply
    431,374,200.40x = 647,061,300.60 × 329,337,528.40
  4. Step 4: Simplify right side
    431,374,200.40x = 213,101,569,462,893,440
  5. Step 5: Solve for x
    x = 213,101,569,462,893,440/431,374,200.40
  6. Step 6: Final answer
    x = 494,006,292.60

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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.