Home / 767,117,036.90-1,058,909,394.99-502,816,062.51

Finding the Fourth Proportional to 767,117,036.90, 1,058,909,394.99 and 502,816,062.51

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Solution

The fourth proportional to 767,117,036.90, 1,058,909,394.99 and 502,816,062.51 is: 694,074,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,117,036.90 : 1,058,909,394.99 = 502,816,062.51 : x
  2. Step 2: Convert to fraction form
    767,117,036.90/1,058,909,394.99 = 502,816,062.51/x
  3. Step 3: Cross multiply
    767,117,036.90x = 1,058,909,394.99 × 502,816,062.51
  4. Step 4: Simplify right side
    767,117,036.90x = 532,436,652,545,628,864
  5. Step 5: Solve for x
    x = 532,436,652,545,628,864/767,117,036.90
  6. Step 6: Final answer
    x = 694,074,863.33

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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.