Home / 688,449,632-950,060,511.60-379,400,288

Finding the Fourth Proportional to 688,449,632, 950,060,511.60 and 379,400,288

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Solution

The fourth proportional to 688,449,632, 950,060,511.60 and 379,400,288 is: 523,572,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,449,632 : 950,060,511.60 = 379,400,288 : x
  2. Step 2: Convert to fraction form
    688,449,632/950,060,511.60 = 379,400,288/x
  3. Step 3: Cross multiply
    688,449,632x = 950,060,511.60 × 379,400,288
  4. Step 4: Simplify right side
    688,449,632x = 360,453,231,718,467,328
  5. Step 5: Solve for x
    x = 360,453,231,718,467,328/688,449,632
  6. Step 6: Final answer
    x = 523,572,408.15

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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.