Home / 300,217,909.19-414,087,137.01-275,517,858.29

Finding the Fourth Proportional to 300,217,909.19, 414,087,137.01 and 275,517,858.29

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Solution

The fourth proportional to 300,217,909.19, 414,087,137.01 and 275,517,858.29 is: 380,018,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,217,909.19 : 414,087,137.01 = 275,517,858.29 : x
  2. Step 2: Convert to fraction form
    300,217,909.19/414,087,137.01 = 275,517,858.29/x
  3. Step 3: Cross multiply
    300,217,909.19x = 414,087,137.01 × 275,517,858.29
  4. Step 4: Simplify right side
    300,217,909.19x = 114,088,401,134,433,008
  5. Step 5: Solve for x
    x = 114,088,401,134,433,008/300,217,909.19
  6. Step 6: Final answer
    x = 380,018,638.60

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1.5x scale

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.