Home / 388,719,429.44-536,411,761.44-214,867,976

Finding the Fourth Proportional to 388,719,429.44, 536,411,761.44 and 214,867,976

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Solution

The fourth proportional to 388,719,429.44, 536,411,761.44 and 214,867,976 is: 296,506,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,719,429.44 : 536,411,761.44 = 214,867,976 : x
  2. Step 2: Convert to fraction form
    388,719,429.44/536,411,761.44 = 214,867,976/x
  3. Step 3: Cross multiply
    388,719,429.44x = 536,411,761.44 × 214,867,976
  4. Step 4: Simplify right side
    388,719,429.44x = 115,257,709,483,207,648
  5. Step 5: Solve for x
    x = 115,257,709,483,207,648/388,719,429.44
  6. Step 6: Final answer
    x = 296,506,170.66

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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.