Home / 682,344,601.70-1,023,516,902.55-668,739,712.10

Finding the Fourth Proportional to 682,344,601.70, 1,023,516,902.55 and 668,739,712.10

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Solution

The fourth proportional to 682,344,601.70, 1,023,516,902.55 and 668,739,712.10 is: 1,003,109,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,344,601.70 : 1,023,516,902.55 = 668,739,712.10 : x
  2. Step 2: Convert to fraction form
    682,344,601.70/1,023,516,902.55 = 668,739,712.10/x
  3. Step 3: Cross multiply
    682,344,601.70x = 1,023,516,902.55 × 668,739,712.10
  4. Step 4: Simplify right side
    682,344,601.70x = 684,466,398,740,770,688
  5. Step 5: Solve for x
    x = 684,466,398,740,770,688/682,344,601.70
  6. Step 6: Final answer
    x = 1,003,109,568.15

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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.