Home / 885,657,997.59-1,327,973,028.83-419,315,506.52

Finding the Fourth Proportional to 885,657,997.59, 1,327,973,028.83 and 419,315,506.52

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Solution

The fourth proportional to 885,657,997.59, 1,327,973,028.83 and 419,315,506.52 is: 628,729,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,657,997.59 : 1,327,973,028.83 = 419,315,506.52 : x
  2. Step 2: Convert to fraction form
    885,657,997.59/1,327,973,028.83 = 419,315,506.52/x
  3. Step 3: Cross multiply
    885,657,997.59x = 1,327,973,028.83 × 419,315,506.52
  4. Step 4: Simplify right side
    885,657,997.59x = 556,839,683,226,653,440
  5. Step 5: Solve for x
    x = 556,839,683,226,653,440/885,657,997.59
  6. Step 6: Final answer
    x = 628,729,921.42

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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.