Home / 805,344,064.42-1,208,017,497.90-252,688,905.01

Finding the Fourth Proportional to 805,344,064.42, 1,208,017,497.90 and 252,688,905.01

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Solution

The fourth proportional to 805,344,064.42, 1,208,017,497.90 and 252,688,905.01 is: 379,033,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,344,064.42 : 1,208,017,497.90 = 252,688,905.01 : x
  2. Step 2: Convert to fraction form
    805,344,064.42/1,208,017,497.90 = 252,688,905.01/x
  3. Step 3: Cross multiply
    805,344,064.42x = 1,208,017,497.90 × 252,688,905.01
  4. Step 4: Simplify right side
    805,344,064.42x = 305,252,618,777,270,976
  5. Step 5: Solve for x
    x = 305,252,618,777,270,976/805,344,064.42
  6. Step 6: Final answer
    x = 379,033,797.18

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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.