Home / 746,703,138.60-1,119,098,114.10-664,436,071.80

Finding the Fourth Proportional to 746,703,138.60, 1,119,098,114.10 and 664,436,071.80

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Solution

The fourth proportional to 746,703,138.60, 1,119,098,114.10 and 664,436,071.80 is: 995,802,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,703,138.60 : 1,119,098,114.10 = 664,436,071.80 : x
  2. Step 2: Convert to fraction form
    746,703,138.60/1,119,098,114.10 = 664,436,071.80/x
  3. Step 3: Cross multiply
    746,703,138.60x = 1,119,098,114.10 × 664,436,071.80
  4. Step 4: Simplify right side
    746,703,138.60x = 743,569,154,891,392,128
  5. Step 5: Solve for x
    x = 743,569,154,891,392,128/746,703,138.60
  6. Step 6: Final answer
    x = 995,802,905.40

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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.