Home / 382,299,655,829.89-527,573,576,685.90-211,021,619,641.84

Finding the Fourth Proportional to 382,299,655,829.89, 527,573,576,685.90 and 211,021,619,641.84

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Solution

The fourth proportional to 382,299,655,829.89, 527,573,576,685.90 and 211,021,619,641.84 is: 291,209,863,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,299,655,829.89 : 527,573,576,685.90 = 211,021,619,641.84 : x
  2. Step 2: Convert to fraction form
    382,299,655,829.89/527,573,576,685.90 = 211,021,619,641.84/x
  3. Step 3: Cross multiply
    382,299,655,829.89x = 527,573,576,685.90 × 211,021,619,641.84
  4. Step 4: Simplify right side
    382,299,655,829.89x = 111,329,430,632,497,095,376,896
  5. Step 5: Solve for x
    x = 111,329,430,632,497,095,376,896/382,299,655,829.89
  6. Step 6: Final answer
    x = 291,209,863,610.33

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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.