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Finding the Fourth Proportional to 567,687,943.66, 783,407,893.03 and 316,789,696.05

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Solution

The fourth proportional to 567,687,943.66, 783,407,893.03 and 316,789,696.05 is: 437,168,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,687,943.66 : 783,407,893.03 = 316,789,696.05 : x
  2. Step 2: Convert to fraction form
    567,687,943.66/783,407,893.03 = 316,789,696.05/x
  3. Step 3: Cross multiply
    567,687,943.66x = 783,407,893.03 × 316,789,696.05
  4. Step 4: Simplify right side
    567,687,943.66x = 248,175,548,318,601,152
  5. Step 5: Solve for x
    x = 248,175,548,318,601,152/567,687,943.66
  6. Step 6: Final answer
    x = 437,168,960.68

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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.