Home / 640,719,200,584.95-884,193,372,393.05-347,744,127,916.05

Finding the Fourth Proportional to 640,719,200,584.95, 884,193,372,393.05 and 347,744,127,916.05

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Solution

The fourth proportional to 640,719,200,584.95, 884,193,372,393.05 and 347,744,127,916.05 is: 479,887,371,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,719,200,584.95 : 884,193,372,393.05 = 347,744,127,916.05 : x
  2. Step 2: Convert to fraction form
    640,719,200,584.95/884,193,372,393.05 = 347,744,127,916.05/x
  3. Step 3: Cross multiply
    640,719,200,584.95x = 884,193,372,393.05 × 347,744,127,916.05
  4. Step 4: Simplify right side
    640,719,200,584.95x = 307,473,053,191,972,442,865,664
  5. Step 5: Solve for x
    x = 307,473,053,191,972,442,865,664/640,719,200,584.95
  6. Step 6: Final answer
    x = 479,887,371,739.86

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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.