Home / 276,161,602,811.62-381,047,739,535.03-154,207,572,817.45

Finding the Fourth Proportional to 276,161,602,811.62, 381,047,739,535.03 and 154,207,572,817.45

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Solution

The fourth proportional to 276,161,602,811.62, 381,047,739,535.03 and 154,207,572,817.45 is: 212,775,586,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,161,602,811.62 : 381,047,739,535.03 = 154,207,572,817.45 : x
  2. Step 2: Convert to fraction form
    276,161,602,811.62/381,047,739,535.03 = 154,207,572,817.45/x
  3. Step 3: Cross multiply
    276,161,602,811.62x = 381,047,739,535.03 × 154,207,572,817.45
  4. Step 4: Simplify right side
    276,161,602,811.62x = 58,760,447,041,272,870,338,560
  5. Step 5: Solve for x
    x = 58,760,447,041,272,870,338,560/276,161,602,811.62
  6. Step 6: Final answer
    x = 212,775,586,624.02

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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.