Home / 890,214,354.54-1,334,379,075.75-299,442,192.66

Finding the Fourth Proportional to 890,214,354.54, 1,334,379,075.75 and 299,442,192.66

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Solution

The fourth proportional to 890,214,354.54, 1,334,379,075.75 and 299,442,192.66 is: 448,846,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,214,354.54 : 1,334,379,075.75 = 299,442,192.66 : x
  2. Step 2: Convert to fraction form
    890,214,354.54/1,334,379,075.75 = 299,442,192.66/x
  3. Step 3: Cross multiply
    890,214,354.54x = 1,334,379,075.75 × 299,442,192.66
  4. Step 4: Simplify right side
    890,214,354.54x = 399,569,396,282,204,288
  5. Step 5: Solve for x
    x = 399,569,396,282,204,288/890,214,354.54
  6. Step 6: Final answer
    x = 448,846,274.21

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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.