Home / 463,012,826.82-638,941,167.72-262,065,388.62

Finding the Fourth Proportional to 463,012,826.82, 638,941,167.72 and 262,065,388.62

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Solution

The fourth proportional to 463,012,826.82, 638,941,167.72 and 262,065,388.62 is: 361,640,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,012,826.82 : 638,941,167.72 = 262,065,388.62 : x
  2. Step 2: Convert to fraction form
    463,012,826.82/638,941,167.72 = 262,065,388.62/x
  3. Step 3: Cross multiply
    463,012,826.82x = 638,941,167.72 × 262,065,388.62
  4. Step 4: Simplify right side
    463,012,826.82x = 167,444,365,423,858,400
  5. Step 5: Solve for x
    x = 167,444,365,423,858,400/463,012,826.82
  6. Step 6: Final answer
    x = 361,640,878.45

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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.