Home / 679,197,696.14-937,287,186.34-381,841,263.78

Finding the Fourth Proportional to 679,197,696.14, 937,287,186.34 and 381,841,263.78

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Solution

The fourth proportional to 679,197,696.14, 937,287,186.34 and 381,841,263.78 is: 526,937,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,197,696.14 : 937,287,186.34 = 381,841,263.78 : x
  2. Step 2: Convert to fraction form
    679,197,696.14/937,287,186.34 = 381,841,263.78/x
  3. Step 3: Cross multiply
    679,197,696.14x = 937,287,186.34 × 381,841,263.78
  4. Step 4: Simplify right side
    679,197,696.14x = 357,894,923,752,179,520
  5. Step 5: Solve for x
    x = 357,894,923,752,179,520/679,197,696.14
  6. Step 6: Final answer
    x = 526,937,776.42

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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.