Home / 1,101,389,242.88-1,520,026,949.64-822,446,490.80

Finding the Fourth Proportional to 1,101,389,242.88, 1,520,026,949.64 and 822,446,490.80

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Solution

The fourth proportional to 1,101,389,242.88, 1,520,026,949.64 and 822,446,490.80 is: 1,135,058,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,389,242.88 : 1,520,026,949.64 = 822,446,490.80 : x
  2. Step 2: Convert to fraction form
    1,101,389,242.88/1,520,026,949.64 = 822,446,490.80/x
  3. Step 3: Cross multiply
    1,101,389,242.88x = 1,520,026,949.64 × 822,446,490.80
  4. Step 4: Simplify right side
    1,101,389,242.88x = 1,250,140,830,652,846,336
  5. Step 5: Solve for x
    x = 1,250,140,830,652,846,336/1,101,389,242.88
  6. Step 6: Final answer
    x = 1,135,058,144.73

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Double scale
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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.