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Finding the Fourth Proportional to 746,865,001.10, 1,120,297,501.65 and 725,341,640.60

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Solution

The fourth proportional to 746,865,001.10, 1,120,297,501.65 and 725,341,640.60 is: 1,088,012,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,865,001.10 : 1,120,297,501.65 = 725,341,640.60 : x
  2. Step 2: Convert to fraction form
    746,865,001.10/1,120,297,501.65 = 725,341,640.60/x
  3. Step 3: Cross multiply
    746,865,001.10x = 1,120,297,501.65 × 725,341,640.60
  4. Step 4: Simplify right side
    746,865,001.10x = 812,598,427,806,892,288
  5. Step 5: Solve for x
    x = 812,598,427,806,892,288/746,865,001.10
  6. Step 6: Final answer
    x = 1,088,012,460.90

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1.5x scale

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.