Home / 1,247,380,784,517.20-1,867,848,767,432.40-860,899,473,995.70

Finding the Fourth Proportional to 1,247,380,784,517.20, 1,867,848,767,432.40 and 860,899,473,995.70

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Solution

The fourth proportional to 1,247,380,784,517.20, 1,867,848,767,432.40 and 860,899,473,995.70 is: 1,289,125,214,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,380,784,517.20 : 1,867,848,767,432.40 = 860,899,473,995.70 : x
  2. Step 2: Convert to fraction form
    1,247,380,784,517.20/1,867,848,767,432.40 = 860,899,473,995.70/x
  3. Step 3: Cross multiply
    1,247,380,784,517.20x = 1,867,848,767,432.40 × 860,899,473,995.70
  4. Step 4: Simplify right side
    1,247,380,784,517.20x = 1,608,030,021,386,069,526,708,224
  5. Step 5: Solve for x
    x = 1,608,030,021,386,069,526,708,224/1,247,380,784,517.20
  6. Step 6: Final answer
    x = 1,289,125,214,485.69

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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.