Home / 1,321,380,951.01-1,822,989,613.48-756,563,972.83

Finding the Fourth Proportional to 1,321,380,951.01, 1,822,989,613.48 and 756,563,972.83

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Solution

The fourth proportional to 1,321,380,951.01, 1,822,989,613.48 and 756,563,972.83 is: 1,043,762,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,380,951.01 : 1,822,989,613.48 = 756,563,972.83 : x
  2. Step 2: Convert to fraction form
    1,321,380,951.01/1,822,989,613.48 = 756,563,972.83/x
  3. Step 3: Cross multiply
    1,321,380,951.01x = 1,822,989,613.48 × 756,563,972.83
  4. Step 4: Simplify right side
    1,321,380,951.01x = 1,379,208,264,402,255,104
  5. Step 5: Solve for x
    x = 1,379,208,264,402,255,104/1,321,380,951.01
  6. Step 6: Final answer
    x = 1,043,762,787.22

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Double scale
Find fourth proportional to 1,321,380,952.01, 1,822,989,614.86 and 756,563,973.83
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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.