Home / 827,841,549.60-1,142,132,844.48-530,647,669.92

Finding the Fourth Proportional to 827,841,549.60, 1,142,132,844.48 and 530,647,669.92

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Solution

The fourth proportional to 827,841,549.60, 1,142,132,844.48 and 530,647,669.92 is: 732,108,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,841,549.60 : 1,142,132,844.48 = 530,647,669.92 : x
  2. Step 2: Convert to fraction form
    827,841,549.60/1,142,132,844.48 = 530,647,669.92/x
  3. Step 3: Cross multiply
    827,841,549.60x = 1,142,132,844.48 × 530,647,669.92
  4. Step 4: Simplify right side
    827,841,549.60x = 606,070,132,662,413,824
  5. Step 5: Solve for x
    x = 606,070,132,662,413,824/827,841,549.60
  6. Step 6: Final answer
    x = 732,108,859.43

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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.