Home / 999,205,848.50-1,379,048,375.38-575,738,436.56

Finding the Fourth Proportional to 999,205,848.50, 1,379,048,375.38 and 575,738,436.56

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Solution

The fourth proportional to 999,205,848.50, 1,379,048,375.38 and 575,738,436.56 is: 794,602,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,205,848.50 : 1,379,048,375.38 = 575,738,436.56 : x
  2. Step 2: Convert to fraction form
    999,205,848.50/1,379,048,375.38 = 575,738,436.56/x
  3. Step 3: Cross multiply
    999,205,848.50x = 1,379,048,375.38 × 575,738,436.56
  4. Step 4: Simplify right side
    999,205,848.50x = 793,971,155,581,889,152
  5. Step 5: Solve for x
    x = 793,971,155,581,889,152/999,205,848.50
  6. Step 6: Final answer
    x = 794,602,190.10

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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.