Home / 1,165,011,212.64-1,607,715,411.56-629,162,832.52

Finding the Fourth Proportional to 1,165,011,212.64, 1,607,715,411.56 and 629,162,832.52

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Solution

The fourth proportional to 1,165,011,212.64, 1,607,715,411.56 and 629,162,832.52 is: 868,244,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,011,212.64 : 1,607,715,411.56 = 629,162,832.52 : x
  2. Step 2: Convert to fraction form
    1,165,011,212.64/1,607,715,411.56 = 629,162,832.52/x
  3. Step 3: Cross multiply
    1,165,011,212.64x = 1,607,715,411.56 × 629,162,832.52
  4. Step 4: Simplify right side
    1,165,011,212.64x = 1,011,514,782,223,147,136
  5. Step 5: Solve for x
    x = 1,011,514,782,223,147,136/1,165,011,212.64
  6. Step 6: Final answer
    x = 868,244,675.46

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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.