Home / 453,470,025.21-680,312,982.77-146,762,138.07

Finding the Fourth Proportional to 453,470,025.21, 680,312,982.77 and 146,762,138.07

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Solution

The fourth proportional to 453,470,025.21, 680,312,982.77 and 146,762,138.07 is: 220,178,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,470,025.21 : 680,312,982.77 = 146,762,138.07 : x
  2. Step 2: Convert to fraction form
    453,470,025.21/680,312,982.77 = 146,762,138.07/x
  3. Step 3: Cross multiply
    453,470,025.21x = 680,312,982.77 × 146,762,138.07
  4. Step 4: Simplify right side
    453,470,025.21x = 99,844,187,907,370,448
  5. Step 5: Solve for x
    x = 99,844,187,907,370,448/453,470,025.21
  6. Step 6: Final answer
    x = 220,178,142.67

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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.