Home / 276,161,602,827.67-381,047,739,557.27-154,207,572,833.55

Finding the Fourth Proportional to 276,161,602,827.67, 381,047,739,557.27 and 154,207,572,833.55

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Solution

The fourth proportional to 276,161,602,827.67, 381,047,739,557.27 and 154,207,572,833.55 is: 212,775,586,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,161,602,827.67 : 381,047,739,557.27 = 154,207,572,833.55 : x
  2. Step 2: Convert to fraction form
    276,161,602,827.67/381,047,739,557.27 = 154,207,572,833.55/x
  3. Step 3: Cross multiply
    276,161,602,827.67x = 381,047,739,557.27 × 154,207,572,833.55
  4. Step 4: Simplify right side
    276,161,602,827.67x = 58,760,447,050,837,301,133,312
  5. Step 5: Solve for x
    x = 58,760,447,050,837,301,133,312/276,161,602,827.67
  6. Step 6: Final answer
    x = 212,775,586,646.29

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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.