Home / 314,796,478.17-434,419,910.88-175,576,257.21

Finding the Fourth Proportional to 314,796,478.17, 434,419,910.88 and 175,576,257.21

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Solution

The fourth proportional to 314,796,478.17, 434,419,910.88 and 175,576,257.21 is: 242,295,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,796,478.17 : 434,419,910.88 = 175,576,257.21 : x
  2. Step 2: Convert to fraction form
    314,796,478.17/434,419,910.88 = 175,576,257.21/x
  3. Step 3: Cross multiply
    314,796,478.17x = 434,419,910.88 × 175,576,257.21
  4. Step 4: Simplify right side
    314,796,478.17x = 76,273,822,009,812,160
  5. Step 5: Solve for x
    x = 76,273,822,009,812,160/314,796,478.17
  6. Step 6: Final answer
    x = 242,295,664.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.