Home / 727,476,847.20-1,091,583,853.20-318,537,007.20

Finding the Fourth Proportional to 727,476,847.20, 1,091,583,853.20 and 318,537,007.20

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Solution

The fourth proportional to 727,476,847.20, 1,091,583,853.20 and 318,537,007.20 is: 477,966,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,476,847.20 : 1,091,583,853.20 = 318,537,007.20 : x
  2. Step 2: Convert to fraction form
    727,476,847.20/1,091,583,853.20 = 318,537,007.20/x
  3. Step 3: Cross multiply
    727,476,847.20x = 1,091,583,853.20 × 318,537,007.20
  4. Step 4: Simplify right side
    727,476,847.20x = 347,709,853,706,172,160
  5. Step 5: Solve for x
    x = 347,709,853,706,172,160/727,476,847.20
  6. Step 6: Final answer
    x = 477,966,900.31

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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.