Home / 379,685,452,199.34-523,966,442,900.80-206,070,594,321.48

Finding the Fourth Proportional to 379,685,452,199.34, 523,966,442,900.80 and 206,070,594,321.48

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Solution

The fourth proportional to 379,685,452,199.34, 523,966,442,900.80 and 206,070,594,321.48 is: 284,377,701,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,685,452,199.34 : 523,966,442,900.80 = 206,070,594,321.48 : x
  2. Step 2: Convert to fraction form
    379,685,452,199.34/523,966,442,900.80 = 206,070,594,321.48/x
  3. Step 3: Cross multiply
    379,685,452,199.34x = 523,966,442,900.80 × 206,070,594,321.48
  4. Step 4: Simplify right side
    379,685,452,199.34x = 107,974,076,293,079,671,767,040
  5. Step 5: Solve for x
    x = 107,974,076,293,079,671,767,040/379,685,452,199.34
  6. Step 6: Final answer
    x = 284,377,701,772.97

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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.