Home / 450,165,409.92-675,235,517.76-143,475,926.40

Finding the Fourth Proportional to 450,165,409.92, 675,235,517.76 and 143,475,926.40

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Solution

The fourth proportional to 450,165,409.92, 675,235,517.76 and 143,475,926.40 is: 215,209,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,165,409.92 : 675,235,517.76 = 143,475,926.40 : x
  2. Step 2: Convert to fraction form
    450,165,409.92/675,235,517.76 = 143,475,926.40/x
  3. Step 3: Cross multiply
    450,165,409.92x = 675,235,517.76 × 143,475,926.40
  4. Step 4: Simplify right side
    450,165,409.92x = 96,880,041,448,799,648
  5. Step 5: Solve for x
    x = 96,880,041,448,799,648/450,165,409.92
  6. Step 6: Final answer
    x = 215,209,874.67

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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.