Home / 5,380,565,578.20-8,070,848,367.30-3,911,237,501.40

Finding the Fourth Proportional to 5,380,565,578.20, 8,070,848,367.30 and 3,911,237,501.40

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Solution

The fourth proportional to 5,380,565,578.20, 8,070,848,367.30 and 3,911,237,501.40 is: 5,866,856,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,565,578.20 : 8,070,848,367.30 = 3,911,237,501.40 : x
  2. Step 2: Convert to fraction form
    5,380,565,578.20/8,070,848,367.30 = 3,911,237,501.40/x
  3. Step 3: Cross multiply
    5,380,565,578.20x = 8,070,848,367.30 × 3,911,237,501.40
  4. Step 4: Simplify right side
    5,380,565,578.20x = 31,567,004,802,296,721,408
  5. Step 5: Solve for x
    x = 31,567,004,802,296,721,408/5,380,565,578.20
  6. Step 6: Final answer
    x = 5,866,856,252.10

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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.