Home / 805,344,065.67-1,208,017,499.79-252,688,906.28

Finding the Fourth Proportional to 805,344,065.67, 1,208,017,499.79 and 252,688,906.28

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Solution

The fourth proportional to 805,344,065.67, 1,208,017,499.79 and 252,688,906.28 is: 379,033,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,344,065.67 : 1,208,017,499.79 = 252,688,906.28 : x
  2. Step 2: Convert to fraction form
    805,344,065.67/1,208,017,499.79 = 252,688,906.28/x
  3. Step 3: Cross multiply
    805,344,065.67x = 1,208,017,499.79 × 252,688,906.28
  4. Step 4: Simplify right side
    805,344,065.67x = 305,252,620,789,035,200
  5. Step 5: Solve for x
    x = 305,252,620,789,035,200/805,344,065.67
  6. Step 6: Final answer
    x = 379,033,799.09

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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.