Home / 418,228,984.10-627,343,476.15-245,788,408.10

Finding the Fourth Proportional to 418,228,984.10, 627,343,476.15 and 245,788,408.10

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Solution

The fourth proportional to 418,228,984.10, 627,343,476.15 and 245,788,408.10 is: 368,682,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,228,984.10 : 627,343,476.15 = 245,788,408.10 : x
  2. Step 2: Convert to fraction form
    418,228,984.10/627,343,476.15 = 245,788,408.10/x
  3. Step 3: Cross multiply
    418,228,984.10x = 627,343,476.15 × 245,788,408.10
  4. Step 4: Simplify right side
    418,228,984.10x = 154,193,754,334,828,800
  5. Step 5: Solve for x
    x = 154,193,754,334,828,800/418,228,984.10
  6. Step 6: Final answer
    x = 368,682,612.15

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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.