Home / 276,161,602,827.68-381,047,739,557.23-154,207,572,833.54

Finding the Fourth Proportional to 276,161,602,827.68, 381,047,739,557.23 and 154,207,572,833.54

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Solution

The fourth proportional to 276,161,602,827.68, 381,047,739,557.23 and 154,207,572,833.54 is: 212,775,586,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,161,602,827.68 : 381,047,739,557.23 = 154,207,572,833.54 : x
  2. Step 2: Convert to fraction form
    276,161,602,827.68/381,047,739,557.23 = 154,207,572,833.54/x
  3. Step 3: Cross multiply
    276,161,602,827.68x = 381,047,739,557.23 × 154,207,572,833.54
  4. Step 4: Simplify right side
    276,161,602,827.68x = 58,760,447,050,827,327,078,400
  5. Step 5: Solve for x
    x = 58,760,447,050,827,327,078,400/276,161,602,827.68
  6. Step 6: Final answer
    x = 212,775,586,646.25

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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.