Home / 1,449,131,167.40-2,173,696,751.10-479,782,783.40

Finding the Fourth Proportional to 1,449,131,167.40, 2,173,696,751.10 and 479,782,783.40

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Solution

The fourth proportional to 1,449,131,167.40, 2,173,696,751.10 and 479,782,783.40 is: 719,674,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,131,167.40 : 2,173,696,751.10 = 479,782,783.40 : x
  2. Step 2: Convert to fraction form
    1,449,131,167.40/2,173,696,751.10 = 479,782,783.40/x
  3. Step 3: Cross multiply
    1,449,131,167.40x = 2,173,696,751.10 × 479,782,783.40
  4. Step 4: Simplify right side
    1,449,131,167.40x = 1,042,902,277,510,294,912
  5. Step 5: Solve for x
    x = 1,042,902,277,510,294,912/1,449,131,167.40
  6. Step 6: Final answer
    x = 719,674,175.10

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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.