Home / 1,387,058,537.06-2,080,587,765.38-639,853,235.15

Finding the Fourth Proportional to 1,387,058,537.06, 2,080,587,765.38 and 639,853,235.15

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Solution

The fourth proportional to 1,387,058,537.06, 2,080,587,765.38 and 639,853,235.15 is: 959,779,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,058,537.06 : 2,080,587,765.38 = 639,853,235.15 : x
  2. Step 2: Convert to fraction form
    1,387,058,537.06/2,080,587,765.38 = 639,853,235.15/x
  3. Step 3: Cross multiply
    1,387,058,537.06x = 2,080,587,765.38 × 639,853,235.15
  4. Step 4: Simplify right side
    1,387,058,537.06x = 1,331,270,812,693,904,384
  5. Step 5: Solve for x
    x = 1,331,270,812,693,904,384/1,387,058,537.06
  6. Step 6: Final answer
    x = 959,779,834.18

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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.