Home / 425,766,577.71-638,647,186.65-229,122,619.32

Finding the Fourth Proportional to 425,766,577.71, 638,647,186.65 and 229,122,619.32

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Solution

The fourth proportional to 425,766,577.71, 638,647,186.65 and 229,122,619.32 is: 343,682,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,766,577.71 : 638,647,186.65 = 229,122,619.32 : x
  2. Step 2: Convert to fraction form
    425,766,577.71/638,647,186.65 = 229,122,619.32/x
  3. Step 3: Cross multiply
    425,766,577.71x = 638,647,186.65 × 229,122,619.32
  4. Step 4: Simplify right side
    425,766,577.71x = 146,328,516,226,596,928
  5. Step 5: Solve for x
    x = 146,328,516,226,596,928/425,766,577.71
  6. Step 6: Final answer
    x = 343,682,486.81

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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.