Home / 459,438,157.31-634,078,259.06-261,229,350.86

Finding the Fourth Proportional to 459,438,157.31, 634,078,259.06 and 261,229,350.86

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Solution

The fourth proportional to 459,438,157.31, 634,078,259.06 and 261,229,350.86 is: 360,526,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,438,157.31 : 634,078,259.06 = 261,229,350.86 : x
  2. Step 2: Convert to fraction form
    459,438,157.31/634,078,259.06 = 261,229,350.86/x
  3. Step 3: Cross multiply
    459,438,157.31x = 634,078,259.06 × 261,229,350.86
  4. Step 4: Simplify right side
    459,438,157.31x = 165,639,852,004,206,144
  5. Step 5: Solve for x
    x = 165,639,852,004,206,144/459,438,157.31
  6. Step 6: Final answer
    x = 360,526,981.42

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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.