Home / 470,396,783.21-705,756,941.53-276,470,445.29

Finding the Fourth Proportional to 470,396,783.21, 705,756,941.53 and 276,470,445.29

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Solution

The fourth proportional to 470,396,783.21, 705,756,941.53 and 276,470,445.29 is: 414,800,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,396,783.21 : 705,756,941.53 = 276,470,445.29 : x
  2. Step 2: Convert to fraction form
    470,396,783.21/705,756,941.53 = 276,470,445.29/x
  3. Step 3: Cross multiply
    470,396,783.21x = 705,756,941.53 × 276,470,445.29
  4. Step 4: Simplify right side
    470,396,783.21x = 195,120,935,887,087,648
  5. Step 5: Solve for x
    x = 195,120,935,887,087,648/470,396,783.21
  6. Step 6: Final answer
    x = 414,800,744.51

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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.