Home / 550,798,328.80-760,115,324.16-299,916,474.36

Finding the Fourth Proportional to 550,798,328.80, 760,115,324.16 and 299,916,474.36

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Solution

The fourth proportional to 550,798,328.80, 760,115,324.16 and 299,916,474.36 is: 413,892,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,798,328.80 : 760,115,324.16 = 299,916,474.36 : x
  2. Step 2: Convert to fraction form
    550,798,328.80/760,115,324.16 = 299,916,474.36/x
  3. Step 3: Cross multiply
    550,798,328.80x = 760,115,324.16 × 299,916,474.36
  4. Step 4: Simplify right side
    550,798,328.80x = 227,971,108,129,075,744
  5. Step 5: Solve for x
    x = 227,971,108,129,075,744/550,798,328.80
  6. Step 6: Final answer
    x = 413,892,156.55

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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.