Home / 501,147,720.36-691,666,973.64-292,303,857.06

Finding the Fourth Proportional to 501,147,720.36, 691,666,973.64 and 292,303,857.06

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Solution

The fourth proportional to 501,147,720.36, 691,666,973.64 and 292,303,857.06 is: 403,427,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,147,720.36 : 691,666,973.64 = 292,303,857.06 : x
  2. Step 2: Convert to fraction form
    501,147,720.36/691,666,973.64 = 292,303,857.06/x
  3. Step 3: Cross multiply
    501,147,720.36x = 691,666,973.64 × 292,303,857.06
  4. Step 4: Simplify right side
    501,147,720.36x = 202,176,924,195,989,344
  5. Step 5: Solve for x
    x = 202,176,924,195,989,344/501,147,720.36
  6. Step 6: Final answer
    x = 403,427,803.78

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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.