Home / 919,397,469.31-1,268,795,303.85-501,736,658.20

Finding the Fourth Proportional to 919,397,469.31, 1,268,795,303.85 and 501,736,658.20

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Solution

The fourth proportional to 919,397,469.31, 1,268,795,303.85 and 501,736,658.20 is: 692,411,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,469.31 : 1,268,795,303.85 = 501,736,658.20 : x
  2. Step 2: Convert to fraction form
    919,397,469.31/1,268,795,303.85 = 501,736,658.20/x
  3. Step 3: Cross multiply
    919,397,469.31x = 1,268,795,303.85 × 501,736,658.20
  4. Step 4: Simplify right side
    919,397,469.31x = 636,601,115,692,236,928
  5. Step 5: Solve for x
    x = 636,601,115,692,236,928/919,397,469.31
  6. Step 6: Final answer
    x = 692,411,211.63

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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.