Home / 932,497,011.78-1,286,839,213.63-509,110,659.17

Finding the Fourth Proportional to 932,497,011.78, 1,286,839,213.63 and 509,110,659.17

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Solution

The fourth proportional to 932,497,011.78, 1,286,839,213.63 and 509,110,659.17 is: 702,569,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,497,011.78 : 1,286,839,213.63 = 509,110,659.17 : x
  2. Step 2: Convert to fraction form
    932,497,011.78/1,286,839,213.63 = 509,110,659.17/x
  3. Step 3: Cross multiply
    932,497,011.78x = 1,286,839,213.63 × 509,110,659.17
  4. Step 4: Simplify right side
    932,497,011.78x = 655,143,560,296,973,824
  5. Step 5: Solve for x
    x = 655,143,560,296,973,824/932,497,011.78
  6. Step 6: Final answer
    x = 702,569,072.09

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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.