Home / 724,284,290.40-1,086,709,870.80-264,268,960.80

Finding the Fourth Proportional to 724,284,290.40, 1,086,709,870.80 and 264,268,960.80

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Solution

The fourth proportional to 724,284,290.40, 1,086,709,870.80 and 264,268,960.80 is: 396,506,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,284,290.40 : 1,086,709,870.80 = 264,268,960.80 : x
  2. Step 2: Convert to fraction form
    724,284,290.40/1,086,709,870.80 = 264,268,960.80/x
  3. Step 3: Cross multiply
    724,284,290.40x = 1,086,709,870.80 × 264,268,960.80
  4. Step 4: Simplify right side
    724,284,290.40x = 287,183,688,247,418,272
  5. Step 5: Solve for x
    x = 287,183,688,247,418,272/724,284,290.40
  6. Step 6: Final answer
    x = 396,506,857.95

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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.