Home / 869,287,950.48-1,199,508,491.96-587,643,196.08

Finding the Fourth Proportional to 869,287,950.48, 1,199,508,491.96 and 587,643,196.08

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Solution

The fourth proportional to 869,287,950.48, 1,199,508,491.96 and 587,643,196.08 is: 810,874,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,287,950.48 : 1,199,508,491.96 = 587,643,196.08 : x
  2. Step 2: Convert to fraction form
    869,287,950.48/1,199,508,491.96 = 587,643,196.08/x
  3. Step 3: Cross multiply
    869,287,950.48x = 1,199,508,491.96 × 587,643,196.08
  4. Step 4: Simplify right side
    869,287,950.48x = 704,883,003,940,475,520
  5. Step 5: Solve for x
    x = 704,883,003,940,475,520/869,287,950.48
  6. Step 6: Final answer
    x = 810,874,007.34

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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.