Home / 382,299,650,725.86-527,573,569,657.32-211,021,614,537.48

Finding the Fourth Proportional to 382,299,650,725.86, 527,573,569,657.32 and 211,021,614,537.48

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Solution

The fourth proportional to 382,299,650,725.86, 527,573,569,657.32 and 211,021,614,537.48 is: 291,209,856,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,299,650,725.86 : 527,573,569,657.32 = 211,021,614,537.48 : x
  2. Step 2: Convert to fraction form
    382,299,650,725.86/527,573,569,657.32 = 211,021,614,537.48/x
  3. Step 3: Cross multiply
    382,299,650,725.86x = 527,573,569,657.32 × 211,021,614,537.48
  4. Step 4: Simplify right side
    382,299,650,725.86x = 111,329,426,456,389,345,083,392
  5. Step 5: Solve for x
    x = 111,329,426,456,389,345,083,392/382,299,650,725.86
  6. Step 6: Final answer
    x = 291,209,856,574.58

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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.