Home / 347,680,521,738.70-521,520,782,608.05-288,907,398,666.70

Finding the Fourth Proportional to 347,680,521,738.70, 521,520,782,608.05 and 288,907,398,666.70

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Solution

The fourth proportional to 347,680,521,738.70, 521,520,782,608.05 and 288,907,398,666.70 is: 433,361,098,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,521,738.70 : 521,520,782,608.05 = 288,907,398,666.70 : x
  2. Step 2: Convert to fraction form
    347,680,521,738.70/521,520,782,608.05 = 288,907,398,666.70/x
  3. Step 3: Cross multiply
    347,680,521,738.70x = 521,520,782,608.05 × 288,907,398,666.70
  4. Step 4: Simplify right side
    347,680,521,738.70x = 150,671,212,653,913,279,823,872
  5. Step 5: Solve for x
    x = 150,671,212,653,913,279,823,872/347,680,521,738.70
  6. Step 6: Final answer
    x = 433,361,098,000.05

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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.