Home / 5,379,546,238.29-7,423,957,758.29-3,121,315,254.63

Finding the Fourth Proportional to 5,379,546,238.29, 7,423,957,758.29 and 3,121,315,254.63

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Solution

The fourth proportional to 5,379,546,238.29, 7,423,957,758.29 and 3,121,315,254.63 is: 4,307,521,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,546,238.29 : 7,423,957,758.29 = 3,121,315,254.63 : x
  2. Step 2: Convert to fraction form
    5,379,546,238.29/7,423,957,758.29 = 3,121,315,254.63/x
  3. Step 3: Cross multiply
    5,379,546,238.29x = 7,423,957,758.29 × 3,121,315,254.63
  4. Step 4: Simplify right side
    5,379,546,238.29x = 23,172,512,600,663,707,648
  5. Step 5: Solve for x
    x = 23,172,512,600,663,707,648/5,379,546,238.29
  6. Step 6: Final answer
    x = 4,307,521,782.36

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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.