Home / 739,896,630.14-1,021,058,148.96-400,805,902.35

Finding the Fourth Proportional to 739,896,630.14, 1,021,058,148.96 and 400,805,902.35

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Solution

The fourth proportional to 739,896,630.14, 1,021,058,148.96 and 400,805,902.35 is: 553,112,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,896,630.14 : 1,021,058,148.96 = 400,805,902.35 : x
  2. Step 2: Convert to fraction form
    739,896,630.14/1,021,058,148.96 = 400,805,902.35/x
  3. Step 3: Cross multiply
    739,896,630.14x = 1,021,058,148.96 × 400,805,902.35
  4. Step 4: Simplify right side
    739,896,630.14x = 409,246,132,745,733,568
  5. Step 5: Solve for x
    x = 409,246,132,745,733,568/739,896,630.14
  6. Step 6: Final answer
    x = 553,112,578.27

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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.