Home / 1,247,380,784,513.10-1,867,848,767,426.10-860,899,473,991.45

Finding the Fourth Proportional to 1,247,380,784,513.10, 1,867,848,767,426.10 and 860,899,473,991.45

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Solution

The fourth proportional to 1,247,380,784,513.10, 1,867,848,767,426.10 and 860,899,473,991.45 is: 1,289,125,214,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,380,784,513.10 : 1,867,848,767,426.10 = 860,899,473,991.45 : x
  2. Step 2: Convert to fraction form
    1,247,380,784,513.10/1,867,848,767,426.10 = 860,899,473,991.45/x
  3. Step 3: Cross multiply
    1,247,380,784,513.10x = 1,867,848,767,426.10 × 860,899,473,991.45
  4. Step 4: Simplify right side
    1,247,380,784,513.10x = 1,608,030,021,372,707,615,014,912
  5. Step 5: Solve for x
    x = 1,608,030,021,372,707,615,014,912/1,247,380,784,513.10
  6. Step 6: Final answer
    x = 1,289,125,214,479.22

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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.