Home / 1,203,411,279.80-1,660,458,880.13-694,765,178.84

Finding the Fourth Proportional to 1,203,411,279.80, 1,660,458,880.13 and 694,765,178.84

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Solution

The fourth proportional to 1,203,411,279.80, 1,660,458,880.13 and 694,765,178.84 is: 958,632,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,411,279.80 : 1,660,458,880.13 = 694,765,178.84 : x
  2. Step 2: Convert to fraction form
    1,203,411,279.80/1,660,458,880.13 = 694,765,178.84/x
  3. Step 3: Cross multiply
    1,203,411,279.80x = 1,660,458,880.13 × 694,765,178.84
  4. Step 4: Simplify right side
    1,203,411,279.80x = 1,153,629,010,798,209,536
  5. Step 5: Solve for x
    x = 1,153,629,010,798,209,536/1,203,411,279.80
  6. Step 6: Final answer
    x = 958,632,372.96

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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.