Home / 463,012,828.82-638,941,170.48-262,065,390.62

Finding the Fourth Proportional to 463,012,828.82, 638,941,170.48 and 262,065,390.62

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Solution

The fourth proportional to 463,012,828.82, 638,941,170.48 and 262,065,390.62 is: 361,640,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,012,828.82 : 638,941,170.48 = 262,065,390.62 : x
  2. Step 2: Convert to fraction form
    463,012,828.82/638,941,170.48 = 262,065,390.62/x
  3. Step 3: Cross multiply
    463,012,828.82x = 638,941,170.48 × 262,065,390.62
  4. Step 4: Simplify right side
    463,012,828.82x = 167,444,367,425,041,216
  5. Step 5: Solve for x
    x = 167,444,367,425,041,216/463,012,828.82
  6. Step 6: Final answer
    x = 361,640,881.21

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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.