Home / 418,246,683.16-627,236,922.30-138,075,431.44

Finding the Fourth Proportional to 418,246,683.16, 627,236,922.30 and 138,075,431.44

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Solution

The fourth proportional to 418,246,683.16, 627,236,922.30 and 138,075,431.44 is: 207,069,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,246,683.16 : 627,236,922.30 = 138,075,431.44 : x
  2. Step 2: Convert to fraction form
    418,246,683.16/627,236,922.30 = 138,075,431.44/x
  3. Step 3: Cross multiply
    418,246,683.16x = 627,236,922.30 × 138,075,431.44
  4. Step 4: Simplify right side
    418,246,683.16x = 86,606,008,661,670,256
  5. Step 5: Solve for x
    x = 86,606,008,661,670,256/418,246,683.16
  6. Step 6: Final answer
    x = 207,069,206.16

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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.