Home / 558,350,131.40-770,021,579.76-349,525,311.20

Finding the Fourth Proportional to 558,350,131.40, 770,021,579.76 and 349,525,311.20

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Solution

The fourth proportional to 558,350,131.40, 770,021,579.76 and 349,525,311.20 is: 482,030,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,350,131.40 : 770,021,579.76 = 349,525,311.20 : x
  2. Step 2: Convert to fraction form
    558,350,131.40/770,021,579.76 = 349,525,311.20/x
  3. Step 3: Cross multiply
    558,350,131.40x = 770,021,579.76 × 349,525,311.20
  4. Step 4: Simplify right side
    558,350,131.40x = 269,142,032,296,329,600
  5. Step 5: Solve for x
    x = 269,142,032,296,329,600/558,350,131.40
  6. Step 6: Final answer
    x = 482,030,928.55

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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.