Home / 450,165,411.92-675,235,520.76-143,475,928.40

Finding the Fourth Proportional to 450,165,411.92, 675,235,520.76 and 143,475,928.40

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Solution

The fourth proportional to 450,165,411.92, 675,235,520.76 and 143,475,928.40 is: 215,209,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,165,411.92 : 675,235,520.76 = 143,475,928.40 : x
  2. Step 2: Convert to fraction form
    450,165,411.92/675,235,520.76 = 143,475,928.40/x
  3. Step 3: Cross multiply
    450,165,411.92x = 675,235,520.76 × 143,475,928.40
  4. Step 4: Simplify right side
    450,165,411.92x = 96,880,043,229,698,480
  5. Step 5: Solve for x
    x = 96,880,043,229,698,480/450,165,411.92
  6. Step 6: Final answer
    x = 215,209,877.67

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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.