Home / 4,120,813,129.38-6,183,762,147.88-1,909,610,688.44

Finding the Fourth Proportional to 4,120,813,129.38, 6,183,762,147.88 and 1,909,610,688.44

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Solution

The fourth proportional to 4,120,813,129.38, 6,183,762,147.88 and 1,909,610,688.44 is: 2,865,594,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,813,129.38 : 6,183,762,147.88 = 1,909,610,688.44 : x
  2. Step 2: Convert to fraction form
    4,120,813,129.38/6,183,762,147.88 = 1,909,610,688.44/x
  3. Step 3: Cross multiply
    4,120,813,129.38x = 6,183,762,147.88 × 1,909,610,688.44
  4. Step 4: Simplify right side
    4,120,813,129.38x = 11,808,578,292,362,340,352
  5. Step 5: Solve for x
    x = 11,808,578,292,362,340,352/4,120,813,129.38
  6. Step 6: Final answer
    x = 2,865,594,221.73

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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.