Home / 704,640,917.26-972,296,369.96-407,225,726.58

Finding the Fourth Proportional to 704,640,917.26, 972,296,369.96 and 407,225,726.58

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Solution

The fourth proportional to 704,640,917.26, 972,296,369.96 and 407,225,726.58 is: 561,909,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,640,917.26 : 972,296,369.96 = 407,225,726.58 : x
  2. Step 2: Convert to fraction form
    704,640,917.26/972,296,369.96 = 407,225,726.58/x
  3. Step 3: Cross multiply
    704,640,917.26x = 972,296,369.96 × 407,225,726.58
  4. Step 4: Simplify right side
    704,640,917.26x = 395,944,095,707,780,800
  5. Step 5: Solve for x
    x = 395,944,095,707,780,800/704,640,917.26
  6. Step 6: Final answer
    x = 561,909,031.97

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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.