Home / 271,712,747.85-409,384,020.35-245,838,215.58

Finding the Fourth Proportional to 271,712,747.85, 409,384,020.35 and 245,838,215.58

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Solution

The fourth proportional to 271,712,747.85, 409,384,020.35 and 245,838,215.58 is: 370,399,393.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,712,747.85 : 409,384,020.35 = 245,838,215.58 : x
  2. Step 2: Convert to fraction form
    271,712,747.85/409,384,020.35 = 245,838,215.58/x
  3. Step 3: Cross multiply
    271,712,747.85x = 409,384,020.35 × 245,838,215.58
  4. Step 4: Simplify right side
    271,712,747.85x = 100,642,237,048,581,232
  5. Step 5: Solve for x
    x = 100,642,237,048,581,232/271,712,747.85
  6. Step 6: Final answer
    x = 370,399,393.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.