Home / 767,292,504.80-1,058,621,942.77-469,624,425.44

Finding the Fourth Proportional to 767,292,504.80, 1,058,621,942.77 and 469,624,425.44

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Solution

The fourth proportional to 767,292,504.80, 1,058,621,942.77 and 469,624,425.44 is: 647,933,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,292,504.80 : 1,058,621,942.77 = 469,624,425.44 : x
  2. Step 2: Convert to fraction form
    767,292,504.80/1,058,621,942.77 = 469,624,425.44/x
  3. Step 3: Cross multiply
    767,292,504.80x = 1,058,621,942.77 × 469,624,425.44
  4. Step 4: Simplify right side
    767,292,504.80x = 497,154,721,625,070,656
  5. Step 5: Solve for x
    x = 497,154,721,625,070,656/767,292,504.80
  6. Step 6: Final answer
    x = 647,933,765.18

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1.5x scale

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.