Home / 621,259,989,201.42-932,158,447,390.56-334,082,390,471.16

Finding the Fourth Proportional to 621,259,989,201.42, 932,158,447,390.56 and 334,082,390,471.16

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Solution

The fourth proportional to 621,259,989,201.42, 932,158,447,390.56 and 334,082,390,471.16 is: 501,267,951,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,259,989,201.42 : 932,158,447,390.56 = 334,082,390,471.16 : x
  2. Step 2: Convert to fraction form
    621,259,989,201.42/932,158,447,390.56 = 334,082,390,471.16/x
  3. Step 3: Cross multiply
    621,259,989,201.42x = 932,158,447,390.56 × 334,082,390,471.16
  4. Step 4: Simplify right side
    621,259,989,201.42x = 311,417,722,402,123,324,325,888
  5. Step 5: Solve for x
    x = 311,417,722,402,123,324,325,888/621,259,989,201.42
  6. Step 6: Final answer
    x = 501,267,951,928.51

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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.