Home / 2,125,768,800.60-3,188,653,200.90-1,345,188,259.80

Finding the Fourth Proportional to 2,125,768,800.60, 3,188,653,200.90 and 1,345,188,259.80

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Solution

The fourth proportional to 2,125,768,800.60, 3,188,653,200.90 and 1,345,188,259.80 is: 2,017,782,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,768,800.60 : 3,188,653,200.90 = 1,345,188,259.80 : x
  2. Step 2: Convert to fraction form
    2,125,768,800.60/3,188,653,200.90 = 1,345,188,259.80/x
  3. Step 3: Cross multiply
    2,125,768,800.60x = 3,188,653,200.90 × 1,345,188,259.80
  4. Step 4: Simplify right side
    2,125,768,800.60x = 4,289,338,850,424,370,688
  5. Step 5: Solve for x
    x = 4,289,338,850,424,370,688/2,125,768,800.60
  6. Step 6: Final answer
    x = 2,017,782,389.70

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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.