Home / 357,582,828.35-493,505,169.31-198,828,779.93

Finding the Fourth Proportional to 357,582,828.35, 493,505,169.31 and 198,828,779.93

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Solution

The fourth proportional to 357,582,828.35, 493,505,169.31 and 198,828,779.93 is: 274,406,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,582,828.35 : 493,505,169.31 = 198,828,779.93 : x
  2. Step 2: Convert to fraction form
    357,582,828.35/493,505,169.31 = 198,828,779.93/x
  3. Step 3: Cross multiply
    357,582,828.35x = 493,505,169.31 × 198,828,779.93
  4. Step 4: Simplify right side
    357,582,828.35x = 98,123,030,702,687,040
  5. Step 5: Solve for x
    x = 98,123,030,702,687,040/357,582,828.35
  6. Step 6: Final answer
    x = 274,406,439.35

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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.