Home / 566,640,414.30-782,021,958.84-340,652,559.72

Finding the Fourth Proportional to 566,640,414.30, 782,021,958.84 and 340,652,559.72

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Solution

The fourth proportional to 566,640,414.30, 782,021,958.84 and 340,652,559.72 is: 470,135,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,640,414.30 : 782,021,958.84 = 340,652,559.72 : x
  2. Step 2: Convert to fraction form
    566,640,414.30/782,021,958.84 = 340,652,559.72/x
  3. Step 3: Cross multiply
    566,640,414.30x = 782,021,958.84 × 340,652,559.72
  4. Step 4: Simplify right side
    566,640,414.30x = 266,397,782,036,094,528
  5. Step 5: Solve for x
    x = 266,397,782,036,094,528/566,640,414.30
  6. Step 6: Final answer
    x = 470,135,513.30

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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.