Home / 640,719,200,584.94-884,193,372,393.06-347,744,127,916.04

Finding the Fourth Proportional to 640,719,200,584.94, 884,193,372,393.06 and 347,744,127,916.04

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Solution

The fourth proportional to 640,719,200,584.94, 884,193,372,393.06 and 347,744,127,916.04 is: 479,887,371,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,719,200,584.94 : 884,193,372,393.06 = 347,744,127,916.04 : x
  2. Step 2: Convert to fraction form
    640,719,200,584.94/884,193,372,393.06 = 347,744,127,916.04/x
  3. Step 3: Cross multiply
    640,719,200,584.94x = 884,193,372,393.06 × 347,744,127,916.04
  4. Step 4: Simplify right side
    640,719,200,584.94x = 307,473,053,191,967,074,156,544
  5. Step 5: Solve for x
    x = 307,473,053,191,967,074,156,544/640,719,200,584.94
  6. Step 6: Final answer
    x = 479,887,371,739.85

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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.