Home / 775,301,890.43-1,070,007,062.13-440,824,529.54

Finding the Fourth Proportional to 775,301,890.43, 1,070,007,062.13 and 440,824,529.54

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Solution

The fourth proportional to 775,301,890.43, 1,070,007,062.13 and 440,824,529.54 is: 608,389,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,301,890.43 : 1,070,007,062.13 = 440,824,529.54 : x
  2. Step 2: Convert to fraction form
    775,301,890.43/1,070,007,062.13 = 440,824,529.54/x
  3. Step 3: Cross multiply
    775,301,890.43x = 1,070,007,062.13 × 440,824,529.54
  4. Step 4: Simplify right side
    775,301,890.43x = 471,685,359,770,609,856
  5. Step 5: Solve for x
    x = 471,685,359,770,609,856/775,301,890.43
  6. Step 6: Final answer
    x = 608,389,281.12

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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.