Home / 1,066,752,423.80-1,600,217,109.30-339,720,615.80

Finding the Fourth Proportional to 1,066,752,423.80, 1,600,217,109.30 and 339,720,615.80

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Solution

The fourth proportional to 1,066,752,423.80, 1,600,217,109.30 and 339,720,615.80 is: 509,609,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,752,423.80 : 1,600,217,109.30 = 339,720,615.80 : x
  2. Step 2: Convert to fraction form
    1,066,752,423.80/1,600,217,109.30 = 339,720,615.80/x
  3. Step 3: Cross multiply
    1,066,752,423.80x = 1,600,217,109.30 × 339,720,615.80
  4. Step 4: Simplify right side
    1,066,752,423.80x = 543,626,741,785,091,904
  5. Step 5: Solve for x
    x = 543,626,741,785,091,904/1,066,752,423.80
  6. Step 6: Final answer
    x = 509,609,099.22

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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.