Home / 5,103,014,619.20-7,648,475,311.20-2,155,288,539.20

Finding the Fourth Proportional to 5,103,014,619.20, 7,648,475,311.20 and 2,155,288,539.20

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Solution

The fourth proportional to 5,103,014,619.20, 7,648,475,311.20 and 2,155,288,539.20 is: 3,230,378,983.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,014,619.20 : 7,648,475,311.20 = 2,155,288,539.20 : x
  2. Step 2: Convert to fraction form
    5,103,014,619.20/7,648,475,311.20 = 2,155,288,539.20/x
  3. Step 3: Cross multiply
    5,103,014,619.20x = 7,648,475,311.20 × 2,155,288,539.20
  4. Step 4: Simplify right side
    5,103,014,619.20x = 16,484,671,180,583,512,064
  5. Step 5: Solve for x
    x = 16,484,671,180,583,512,064/5,103,014,619.20
  6. Step 6: Final answer
    x = 3,230,378,983.94

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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.