Home / 494,352,140.80-741,528,211.20-287,444,444.80

Finding the Fourth Proportional to 494,352,140.80, 741,528,211.20 and 287,444,444.80

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Solution

The fourth proportional to 494,352,140.80, 741,528,211.20 and 287,444,444.80 is: 431,166,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,352,140.80 : 741,528,211.20 = 287,444,444.80 : x
  2. Step 2: Convert to fraction form
    494,352,140.80/741,528,211.20 = 287,444,444.80/x
  3. Step 3: Cross multiply
    494,352,140.80x = 741,528,211.20 × 287,444,444.80
  4. Step 4: Simplify right side
    494,352,140.80x = 213,148,164,971,921,152
  5. Step 5: Solve for x
    x = 213,148,164,971,921,152/494,352,140.80
  6. Step 6: Final answer
    x = 431,166,667.20

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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.