Home / 5,919,208,828.47-8,169,560,675.67-3,540,608,451.21

Finding the Fourth Proportional to 5,919,208,828.47, 8,169,560,675.67 and 3,540,608,451.21

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Solution

The fourth proportional to 5,919,208,828.47, 8,169,560,675.67 and 3,540,608,451.21 is: 4,886,669,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919,208,828.47 : 8,169,560,675.67 = 3,540,608,451.21 : x
  2. Step 2: Convert to fraction form
    5,919,208,828.47/8,169,560,675.67 = 3,540,608,451.21/x
  3. Step 3: Cross multiply
    5,919,208,828.47x = 8,169,560,675.67 × 3,540,608,451.21
  4. Step 4: Simplify right side
    5,919,208,828.47x = 28,925,215,570,950,078,464
  5. Step 5: Solve for x
    x = 28,925,215,570,950,078,464/5,919,208,828.47
  6. Step 6: Final answer
    x = 4,886,669,216.98

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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.