Home / 734,994,131.85-1,014,314,866.43-421,785,638.73

Finding the Fourth Proportional to 734,994,131.85, 1,014,314,866.43 and 421,785,638.73

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Solution

The fourth proportional to 734,994,131.85, 1,014,314,866.43 and 421,785,638.73 is: 582,077,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,994,131.85 : 1,014,314,866.43 = 421,785,638.73 : x
  2. Step 2: Convert to fraction form
    734,994,131.85/1,014,314,866.43 = 421,785,638.73/x
  3. Step 3: Cross multiply
    734,994,131.85x = 1,014,314,866.43 × 421,785,638.73
  4. Step 4: Simplify right side
    734,994,131.85x = 427,823,443,808,403,264
  5. Step 5: Solve for x
    x = 427,823,443,808,403,264/734,994,131.85
  6. Step 6: Final answer
    x = 582,077,359.90

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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.