Home / 918,914,660.67-1,379,035,970.24-365,898,380.90

Finding the Fourth Proportional to 918,914,660.67, 1,379,035,970.24 and 365,898,380.90

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Solution

The fourth proportional to 918,914,660.67, 1,379,035,970.24 and 365,898,380.90 is: 549,111,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,914,660.67 : 1,379,035,970.24 = 365,898,380.90 : x
  2. Step 2: Convert to fraction form
    918,914,660.67/1,379,035,970.24 = 365,898,380.90/x
  3. Step 3: Cross multiply
    918,914,660.67x = 1,379,035,970.24 × 365,898,380.90
  4. Step 4: Simplify right side
    918,914,660.67x = 504,587,028,710,785,216
  5. Step 5: Solve for x
    x = 504,587,028,710,785,216/918,914,660.67
  6. Step 6: Final answer
    x = 549,111,958.17

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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.