Home / 380,175,972.76-570,503,849.64-161,825,966.20

Finding the Fourth Proportional to 380,175,972.76, 570,503,849.64 and 161,825,966.20

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Solution

The fourth proportional to 380,175,972.76, 570,503,849.64 and 161,825,966.20 is: 242,841,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,175,972.76 : 570,503,849.64 = 161,825,966.20 : x
  2. Step 2: Convert to fraction form
    380,175,972.76/570,503,849.64 = 161,825,966.20/x
  3. Step 3: Cross multiply
    380,175,972.76x = 570,503,849.64 × 161,825,966.20
  4. Step 4: Simplify right side
    380,175,972.76x = 92,322,336,688,812,512
  5. Step 5: Solve for x
    x = 92,322,336,688,812,512/380,175,972.76
  6. Step 6: Final answer
    x = 242,841,061.26

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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.