Home / 1,311,217,966,806.10-1,809,359,362,447.60-725,255,200,954.30

Finding the Fourth Proportional to 1,311,217,966,806.10, 1,809,359,362,447.60 and 725,255,200,954.30

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Solution

The fourth proportional to 1,311,217,966,806.10, 1,809,359,362,447.60 and 725,255,200,954.30 is: 1,000,785,011,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,217,966,806.10 : 1,809,359,362,447.60 = 725,255,200,954.30 : x
  2. Step 2: Convert to fraction form
    1,311,217,966,806.10/1,809,359,362,447.60 = 725,255,200,954.30/x
  3. Step 3: Cross multiply
    1,311,217,966,806.10x = 1,809,359,362,447.60 × 725,255,200,954.30
  4. Step 4: Simplify right side
    1,311,217,966,806.10x = 1,312,247,288,010,478,297,546,752
  5. Step 5: Solve for x
    x = 1,312,247,288,010,478,297,546,752/1,311,217,966,806.10
  6. Step 6: Final answer
    x = 1,000,785,011,516.34

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.