Home / 468,849,900-647,012,867.76-262,817,004

Finding the Fourth Proportional to 468,849,900, 647,012,867.76 and 262,817,004

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Solution

The fourth proportional to 468,849,900, 647,012,867.76 and 262,817,004 is: 362,687,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,849,900 : 647,012,867.76 = 262,817,004 : x
  2. Step 2: Convert to fraction form
    468,849,900/647,012,867.76 = 262,817,004/x
  3. Step 3: Cross multiply
    468,849,900x = 647,012,867.76 × 262,817,004
  4. Step 4: Simplify right side
    468,849,900x = 170,045,983,454,131,392
  5. Step 5: Solve for x
    x = 170,045,983,454,131,392/468,849,900
  6. Step 6: Final answer
    x = 362,687,468.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.