Home / 501,810,736.05-692,458,216.29-290,131,147.90

Finding the Fourth Proportional to 501,810,736.05, 692,458,216.29 and 290,131,147.90

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Solution

The fourth proportional to 501,810,736.05, 692,458,216.29 and 290,131,147.90 is: 400,357,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,810,736.05 : 692,458,216.29 = 290,131,147.90 : x
  2. Step 2: Convert to fraction form
    501,810,736.05/692,458,216.29 = 290,131,147.90/x
  3. Step 3: Cross multiply
    501,810,736.05x = 692,458,216.29 × 290,131,147.90
  4. Step 4: Simplify right side
    501,810,736.05x = 200,903,697,161,541,856
  5. Step 5: Solve for x
    x = 200,903,697,161,541,856/501,810,736.05
  6. Step 6: Final answer
    x = 400,357,510.77

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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.