Home / 1,745,777,231.88-2,619,157,135.50-763,290,051.72

Finding the Fourth Proportional to 1,745,777,231.88, 2,619,157,135.50 and 763,290,051.72

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Solution

The fourth proportional to 1,745,777,231.88, 2,619,157,135.50 and 763,290,051.72 is: 1,145,149,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,777,231.88 : 2,619,157,135.50 = 763,290,051.72 : x
  2. Step 2: Convert to fraction form
    1,745,777,231.88/2,619,157,135.50 = 763,290,051.72/x
  3. Step 3: Cross multiply
    1,745,777,231.88x = 2,619,157,135.50 × 763,290,051.72
  4. Step 4: Simplify right side
    1,745,777,231.88x = 1,999,176,585,418,602,240
  5. Step 5: Solve for x
    x = 1,999,176,585,418,602,240/1,745,777,231.88
  6. Step 6: Final answer
    x = 1,145,149,878.75

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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.