Home / 501,810,729.59-692,458,207.38-290,131,141.44

Finding the Fourth Proportional to 501,810,729.59, 692,458,207.38 and 290,131,141.44

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Solution

The fourth proportional to 501,810,729.59, 692,458,207.38 and 290,131,141.44 is: 400,357,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,810,729.59 : 692,458,207.38 = 290,131,141.44 : x
  2. Step 2: Convert to fraction form
    501,810,729.59/692,458,207.38 = 290,131,141.44/x
  3. Step 3: Cross multiply
    501,810,729.59x = 692,458,207.38 × 290,131,141.44
  4. Step 4: Simplify right side
    501,810,729.59x = 200,903,690,110,070,528
  5. Step 5: Solve for x
    x = 200,903,690,110,070,528/501,810,729.59
  6. Step 6: Final answer
    x = 400,357,501.87

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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.