Home / 919,397,469.36-1,268,795,303.96-501,736,658.28

Finding the Fourth Proportional to 919,397,469.36, 1,268,795,303.96 and 501,736,658.28

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Solution

The fourth proportional to 919,397,469.36, 1,268,795,303.96 and 501,736,658.28 is: 692,411,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,469.36 : 1,268,795,303.96 = 501,736,658.28 : x
  2. Step 2: Convert to fraction form
    919,397,469.36/1,268,795,303.96 = 501,736,658.28/x
  3. Step 3: Cross multiply
    919,397,469.36x = 1,268,795,303.96 × 501,736,658.28
  4. Step 4: Simplify right side
    919,397,469.36x = 636,601,115,850,247,296
  5. Step 5: Solve for x
    x = 636,601,115,850,247,296/919,397,469.36
  6. Step 6: Final answer
    x = 692,411,211.76

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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.