Home / 379,685,452,088.70-523,966,442,748.61-206,070,594,211.38

Finding the Fourth Proportional to 379,685,452,088.70, 523,966,442,748.61 and 206,070,594,211.38

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Solution

The fourth proportional to 379,685,452,088.70, 523,966,442,748.61 and 206,070,594,211.38 is: 284,377,701,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,685,452,088.70 : 523,966,442,748.61 = 206,070,594,211.38 : x
  2. Step 2: Convert to fraction form
    379,685,452,088.70/523,966,442,748.61 = 206,070,594,211.38/x
  3. Step 3: Cross multiply
    379,685,452,088.70x = 523,966,442,748.61 × 206,070,594,211.38
  4. Step 4: Simplify right side
    379,685,452,088.70x = 107,974,076,204,029,078,142,976
  5. Step 5: Solve for x
    x = 107,974,076,204,029,078,142,976/379,685,452,088.70
  6. Step 6: Final answer
    x = 284,377,701,621.30

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1.5x scale

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.