Home / 999,205,846.50-1,379,048,372.62-575,738,434.56

Finding the Fourth Proportional to 999,205,846.50, 1,379,048,372.62 and 575,738,434.56

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Solution

The fourth proportional to 999,205,846.50, 1,379,048,372.62 and 575,738,434.56 is: 794,602,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,205,846.50 : 1,379,048,372.62 = 575,738,434.56 : x
  2. Step 2: Convert to fraction form
    999,205,846.50/1,379,048,372.62 = 575,738,434.56/x
  3. Step 3: Cross multiply
    999,205,846.50x = 1,379,048,372.62 × 575,738,434.56
  4. Step 4: Simplify right side
    999,205,846.50x = 793,971,151,234,754,176
  5. Step 5: Solve for x
    x = 793,971,151,234,754,176/999,205,846.50
  6. Step 6: Final answer
    x = 794,602,187.34

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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.