Home / 403,989,757.90-606,010,238.01-170,777,005.72

Finding the Fourth Proportional to 403,989,757.90, 606,010,238.01 and 170,777,005.72

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Solution

The fourth proportional to 403,989,757.90, 606,010,238.01 and 170,777,005.72 is: 256,176,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,989,757.90 : 606,010,238.01 = 170,777,005.72 : x
  2. Step 2: Convert to fraction form
    403,989,757.90/606,010,238.01 = 170,777,005.72/x
  3. Step 3: Cross multiply
    403,989,757.90x = 606,010,238.01 × 170,777,005.72
  4. Step 4: Simplify right side
    403,989,757.90x = 103,492,613,883,012,336
  5. Step 5: Solve for x
    x = 103,492,613,883,012,336/403,989,757.90
  6. Step 6: Final answer
    x = 256,176,330.86

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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.