Home / 646,456,082.75-969,684,137.00-155,169,352.50

Finding the Fourth Proportional to 646,456,082.75, 969,684,137.00 and 155,169,352.50

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Solution

The fourth proportional to 646,456,082.75, 969,684,137.00 and 155,169,352.50 is: 232,754,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,456,082.75 : 969,684,137.00 = 155,169,352.50 : x
  2. Step 2: Convert to fraction form
    646,456,082.75/969,684,137.00 = 155,169,352.50/x
  3. Step 3: Cross multiply
    646,456,082.75x = 969,684,137.00 × 155,169,352.50
  4. Step 4: Simplify right side
    646,456,082.75x = 150,465,259,667,035,456
  5. Step 5: Solve for x
    x = 150,465,259,667,035,456/646,456,082.75
  6. Step 6: Final answer
    x = 232,754,031.84

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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.