Home / 743,476,000.60-1,115,214,000.90-663,122,121.40

Finding the Fourth Proportional to 743,476,000.60, 1,115,214,000.90 and 663,122,121.40

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Solution

The fourth proportional to 743,476,000.60, 1,115,214,000.90 and 663,122,121.40 is: 994,683,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,476,000.60 : 1,115,214,000.90 = 663,122,121.40 : x
  2. Step 2: Convert to fraction form
    743,476,000.60/1,115,214,000.90 = 663,122,121.40/x
  3. Step 3: Cross multiply
    743,476,000.60x = 1,115,214,000.90 × 663,122,121.40
  4. Step 4: Simplify right side
    743,476,000.60x = 739,523,074,091,789,568
  5. Step 5: Solve for x
    x = 739,523,074,091,789,568/743,476,000.60
  6. Step 6: Final answer
    x = 994,683,182.10

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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.