Home / 767,117,052.48-1,058,909,416.44-502,816,078.02

Finding the Fourth Proportional to 767,117,052.48, 1,058,909,416.44 and 502,816,078.02

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Solution

The fourth proportional to 767,117,052.48, 1,058,909,416.44 and 502,816,078.02 is: 694,074,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,117,052.48 : 1,058,909,416.44 = 502,816,078.02 : x
  2. Step 2: Convert to fraction form
    767,117,052.48/1,058,909,416.44 = 502,816,078.02/x
  3. Step 3: Cross multiply
    767,117,052.48x = 1,058,909,416.44 × 502,816,078.02
  4. Step 4: Simplify right side
    767,117,052.48x = 532,436,679,752,807,744
  5. Step 5: Solve for x
    x = 532,436,679,752,807,744/767,117,052.48
  6. Step 6: Final answer
    x = 694,074,884.70

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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.