Home / 538,401,860.98-742,995,093.81-290,883,412.06

Finding the Fourth Proportional to 538,401,860.98, 742,995,093.81 and 290,883,412.06

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Solution

The fourth proportional to 538,401,860.98, 742,995,093.81 and 290,883,412.06 is: 401,419,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,401,860.98 : 742,995,093.81 = 290,883,412.06 : x
  2. Step 2: Convert to fraction form
    538,401,860.98/742,995,093.81 = 290,883,412.06/x
  3. Step 3: Cross multiply
    538,401,860.98x = 742,995,093.81 × 290,883,412.06
  4. Step 4: Simplify right side
    538,401,860.98x = 216,124,948,031,292,576
  5. Step 5: Solve for x
    x = 216,124,948,031,292,576/538,401,860.98
  6. Step 6: Final answer
    x = 401,419,392.64

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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.