Home / 805,344,065.17-1,208,017,499.04-252,688,905.78

Finding the Fourth Proportional to 805,344,065.17, 1,208,017,499.04 and 252,688,905.78

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Solution

The fourth proportional to 805,344,065.17, 1,208,017,499.04 and 252,688,905.78 is: 379,033,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,344,065.17 : 1,208,017,499.04 = 252,688,905.78 : x
  2. Step 2: Convert to fraction form
    805,344,065.17/1,208,017,499.04 = 252,688,905.78/x
  3. Step 3: Cross multiply
    805,344,065.17x = 1,208,017,499.04 × 252,688,905.78
  4. Step 4: Simplify right side
    805,344,065.17x = 305,252,619,995,509,824
  5. Step 5: Solve for x
    x = 305,252,619,995,509,824/805,344,065.17
  6. Step 6: Final answer
    x = 379,033,798.34

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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.