Home / 757,623,748.80-1,136,435,623.20-349,477,060.80

Finding the Fourth Proportional to 757,623,748.80, 1,136,435,623.20 and 349,477,060.80

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Solution

The fourth proportional to 757,623,748.80, 1,136,435,623.20 and 349,477,060.80 is: 524,215,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,623,748.80 : 1,136,435,623.20 = 349,477,060.80 : x
  2. Step 2: Convert to fraction form
    757,623,748.80/1,136,435,623.20 = 349,477,060.80/x
  3. Step 3: Cross multiply
    757,623,748.80x = 1,136,435,623.20 × 349,477,060.80
  4. Step 4: Simplify right side
    757,623,748.80x = 397,158,181,384,352,320
  5. Step 5: Solve for x
    x = 397,158,181,384,352,320/757,623,748.80
  6. Step 6: Final answer
    x = 524,215,591.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.