Home / 920,936,453.29-1,381,256,319.18-256,967,649.16

Finding the Fourth Proportional to 920,936,453.29, 1,381,256,319.18 and 256,967,649.16

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Solution

The fourth proportional to 920,936,453.29, 1,381,256,319.18 and 256,967,649.16 is: 385,410,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,936,453.29 : 1,381,256,319.18 = 256,967,649.16 : x
  2. Step 2: Convert to fraction form
    920,936,453.29/1,381,256,319.18 = 256,967,649.16/x
  3. Step 3: Cross multiply
    920,936,453.29x = 1,381,256,319.18 × 256,967,649.16
  4. Step 4: Simplify right side
    920,936,453.29x = 354,938,189,220,172,928
  5. Step 5: Solve for x
    x = 354,938,189,220,172,928/920,936,453.29
  6. Step 6: Final answer
    x = 385,410,076.83

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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.