Home / 1,243,468,872-1,865,292,887.52-477,563,976

Finding the Fourth Proportional to 1,243,468,872, 1,865,292,887.52 and 477,563,976

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Solution

The fourth proportional to 1,243,468,872, 1,865,292,887.52 and 477,563,976 is: 716,380,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,468,872 : 1,865,292,887.52 = 477,563,976 : x
  2. Step 2: Convert to fraction form
    1,243,468,872/1,865,292,887.52 = 477,563,976/x
  3. Step 3: Cross multiply
    1,243,468,872x = 1,865,292,887.52 × 477,563,976
  4. Step 4: Simplify right side
    1,243,468,872x = 890,796,687,768,572,032
  5. Step 5: Solve for x
    x = 890,796,687,768,572,032/1,243,468,872
  6. Step 6: Final answer
    x = 716,380,367.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.