Home / 6,638,444,991.40-9,957,667,487.10-6,257,508,082.60

Finding the Fourth Proportional to 6,638,444,991.40, 9,957,667,487.10 and 6,257,508,082.60

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Solution

The fourth proportional to 6,638,444,991.40, 9,957,667,487.10 and 6,257,508,082.60 is: 9,386,262,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,444,991.40 : 9,957,667,487.10 = 6,257,508,082.60 : x
  2. Step 2: Convert to fraction form
    6,638,444,991.40/9,957,667,487.10 = 6,257,508,082.60/x
  3. Step 3: Cross multiply
    6,638,444,991.40x = 9,957,667,487.10 × 6,257,508,082.60
  4. Step 4: Simplify right side
    6,638,444,991.40x = 62,310,184,784,371,490,816
  5. Step 5: Solve for x
    x = 62,310,184,784,371,490,816/6,638,444,991.40
  6. Step 6: Final answer
    x = 9,386,262,123.90

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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.