Home / 460,766,482.17-691,641,565.25-198,580,422.93

Finding the Fourth Proportional to 460,766,482.17, 691,641,565.25 and 198,580,422.93

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Solution

The fourth proportional to 460,766,482.17, 691,641,565.25 and 198,580,422.93 is: 298,082,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,766,482.17 : 691,641,565.25 = 198,580,422.93 : x
  2. Step 2: Convert to fraction form
    460,766,482.17/691,641,565.25 = 198,580,422.93/x
  3. Step 3: Cross multiply
    460,766,482.17x = 691,641,565.25 × 198,580,422.93
  4. Step 4: Simplify right side
    460,766,482.17x = 137,346,474,539,725,648
  5. Step 5: Solve for x
    x = 137,346,474,539,725,648/460,766,482.17
  6. Step 6: Final answer
    x = 298,082,607.68

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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.