Home / 989,141,494.56-1,483,752,591.68-252,230,510.40

Finding the Fourth Proportional to 989,141,494.56, 1,483,752,591.68 and 252,230,510.40

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Solution

The fourth proportional to 989,141,494.56, 1,483,752,591.68 and 252,230,510.40 is: 378,356,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,141,494.56 : 1,483,752,591.68 = 252,230,510.40 : x
  2. Step 2: Convert to fraction form
    989,141,494.56/1,483,752,591.68 = 252,230,510.40/x
  3. Step 3: Cross multiply
    989,141,494.56x = 1,483,752,591.68 × 252,230,510.40
  4. Step 4: Simplify right side
    989,141,494.56x = 374,247,673,506,769,216
  5. Step 5: Solve for x
    x = 374,247,673,506,769,216/989,141,494.56
  6. Step 6: Final answer
    x = 378,356,054.79

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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.