Home / 347,640,672,981.60-521,520,417,784.66-143,322,168,791.12

Finding the Fourth Proportional to 347,640,672,981.60, 521,520,417,784.66 and 143,322,168,791.12

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Solution

The fourth proportional to 347,640,672,981.60, 521,520,417,784.66 and 143,322,168,791.12 is: 215,007,745,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,640,672,981.60 : 521,520,417,784.66 = 143,322,168,791.12 : x
  2. Step 2: Convert to fraction form
    347,640,672,981.60/521,520,417,784.66 = 143,322,168,791.12/x
  3. Step 3: Cross multiply
    347,640,672,981.60x = 521,520,417,784.66 × 143,322,168,791.12
  4. Step 4: Simplify right side
    347,640,672,981.60x = 74,745,437,345,748,455,784,448
  5. Step 5: Solve for x
    x = 74,745,437,345,748,455,784,448/347,640,672,981.60
  6. Step 6: Final answer
    x = 215,007,745,511.14

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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.