Home / 1,339,079,515.85-2,008,582,143.38-356,514,484.97

Finding the Fourth Proportional to 1,339,079,515.85, 2,008,582,143.38 and 356,514,484.97

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Solution

The fourth proportional to 1,339,079,515.85, 2,008,582,143.38 and 356,514,484.97 is: 534,761,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,079,515.85 : 2,008,582,143.38 = 356,514,484.97 : x
  2. Step 2: Convert to fraction form
    1,339,079,515.85/2,008,582,143.38 = 356,514,484.97/x
  3. Step 3: Cross multiply
    1,339,079,515.85x = 2,008,582,143.38 × 356,514,484.97
  4. Step 4: Simplify right side
    1,339,079,515.85x = 716,088,628,371,652,992
  5. Step 5: Solve for x
    x = 716,088,628,371,652,992/1,339,079,515.85
  6. Step 6: Final answer
    x = 534,761,841.92

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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.