Home / 991,496,755.24-1,487,191,311.24-301,350,200.80

Finding the Fourth Proportional to 991,496,755.24, 1,487,191,311.24 and 301,350,200.80

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Solution

The fourth proportional to 991,496,755.24, 1,487,191,311.24 and 301,350,200.80 is: 452,008,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,496,755.24 : 1,487,191,311.24 = 301,350,200.80 : x
  2. Step 2: Convert to fraction form
    991,496,755.24/1,487,191,311.24 = 301,350,200.80/x
  3. Step 3: Cross multiply
    991,496,755.24x = 1,487,191,311.24 × 301,350,200.80
  4. Step 4: Simplify right side
    991,496,755.24x = 448,165,400,270,189,312
  5. Step 5: Solve for x
    x = 448,165,400,270,189,312/991,496,755.24
  6. Step 6: Final answer
    x = 452,008,942.95

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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.