Home / 550,362,263.28-759,476,985.84-299,467,640.40

Finding the Fourth Proportional to 550,362,263.28, 759,476,985.84 and 299,467,640.40

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Solution

The fourth proportional to 550,362,263.28, 759,476,985.84 and 299,467,640.40 is: 413,252,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,362,263.28 : 759,476,985.84 = 299,467,640.40 : x
  2. Step 2: Convert to fraction form
    550,362,263.28/759,476,985.84 = 299,467,640.40/x
  3. Step 3: Cross multiply
    550,362,263.28x = 759,476,985.84 × 299,467,640.40
  4. Step 4: Simplify right side
    550,362,263.28x = 227,438,780,887,608,992
  5. Step 5: Solve for x
    x = 227,438,780,887,608,992/550,362,263.28
  6. Step 6: Final answer
    x = 413,252,862.82

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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.