Home / 767,633,618.25-1,151,453,773.49-243,005,287.28

Finding the Fourth Proportional to 767,633,618.25, 1,151,453,773.49 and 243,005,287.28

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Solution

The fourth proportional to 767,633,618.25, 1,151,453,773.49 and 243,005,287.28 is: 364,508,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,633,618.25 : 1,151,453,773.49 = 243,005,287.28 : x
  2. Step 2: Convert to fraction form
    767,633,618.25/1,151,453,773.49 = 243,005,287.28/x
  3. Step 3: Cross multiply
    767,633,618.25x = 1,151,453,773.49 × 243,005,287.28
  4. Step 4: Simplify right side
    767,633,618.25x = 279,809,355,009,605,184
  5. Step 5: Solve for x
    x = 279,809,355,009,605,184/767,633,618.25
  6. Step 6: Final answer
    x = 364,508,990.17

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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.