Home / 347,680,516,961.40-521,520,775,442.10-252,908,856,007.80

Finding the Fourth Proportional to 347,680,516,961.40, 521,520,775,442.10 and 252,908,856,007.80

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Solution

The fourth proportional to 347,680,516,961.40, 521,520,775,442.10 and 252,908,856,007.80 is: 379,363,284,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,516,961.40 : 521,520,775,442.10 = 252,908,856,007.80 : x
  2. Step 2: Convert to fraction form
    347,680,516,961.40/521,520,775,442.10 = 252,908,856,007.80/x
  3. Step 3: Cross multiply
    347,680,516,961.40x = 521,520,775,442.10 × 252,908,856,007.80
  4. Step 4: Simplify right side
    347,680,516,961.40x = 131,897,222,701,362,247,106,560
  5. Step 5: Solve for x
    x = 131,897,222,701,362,247,106,560/347,680,516,961.40
  6. Step 6: Final answer
    x = 379,363,284,011.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.