Home / 851,242,024.80-1,276,863,037.20-237,825,266.40

Finding the Fourth Proportional to 851,242,024.80, 1,276,863,037.20 and 237,825,266.40

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Solution

The fourth proportional to 851,242,024.80, 1,276,863,037.20 and 237,825,266.40 is: 356,737,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,242,024.80 : 1,276,863,037.20 = 237,825,266.40 : x
  2. Step 2: Convert to fraction form
    851,242,024.80/1,276,863,037.20 = 237,825,266.40/x
  3. Step 3: Cross multiply
    851,242,024.80x = 1,276,863,037.20 × 237,825,266.40
  4. Step 4: Simplify right side
    851,242,024.80x = 303,670,291,978,403,136
  5. Step 5: Solve for x
    x = 303,670,291,978,403,136/851,242,024.80
  6. Step 6: Final answer
    x = 356,737,899.60

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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.