Home / 10,351,820,999.20-15,527,731,498.80-2,991,071,840.80

Finding the Fourth Proportional to 10,351,820,999.20, 15,527,731,498.80 and 2,991,071,840.80

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Solution

The fourth proportional to 10,351,820,999.20, 15,527,731,498.80 and 2,991,071,840.80 is: 4,486,607,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,820,999.20 : 15,527,731,498.80 = 2,991,071,840.80 : x
  2. Step 2: Convert to fraction form
    10,351,820,999.20/15,527,731,498.80 = 2,991,071,840.80/x
  3. Step 3: Cross multiply
    10,351,820,999.20x = 15,527,731,498.80 × 2,991,071,840.80
  4. Step 4: Simplify right side
    10,351,820,999.20x = 46,444,560,437,563,858,944
  5. Step 5: Solve for x
    x = 46,444,560,437,563,858,944/10,351,820,999.20
  6. Step 6: Final answer
    x = 4,486,607,761.20

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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.