Home / 672,008,724.27-927,077,841.62-640,852,398.61

Finding the Fourth Proportional to 672,008,724.27, 927,077,841.62 and 640,852,398.61

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Solution

The fourth proportional to 672,008,724.27, 927,077,841.62 and 640,852,398.61 is: 884,095,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,008,724.27 : 927,077,841.62 = 640,852,398.61 : x
  2. Step 2: Convert to fraction form
    672,008,724.27/927,077,841.62 = 640,852,398.61/x
  3. Step 3: Cross multiply
    672,008,724.27x = 927,077,841.62 × 640,852,398.61
  4. Step 4: Simplify right side
    672,008,724.27x = 594,120,058,497,239,936
  5. Step 5: Solve for x
    x = 594,120,058,497,239,936/672,008,724.27
  6. Step 6: Final answer
    x = 884,095,752.09

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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.