Home / 3,996,709,341.55-5,515,240,383.98-2,187,871,290.08

Finding the Fourth Proportional to 3,996,709,341.55, 5,515,240,383.98 and 2,187,871,290.08

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Solution

The fourth proportional to 3,996,709,341.55, 5,515,240,383.98 and 2,187,871,290.08 is: 3,019,142,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,709,341.55 : 5,515,240,383.98 = 2,187,871,290.08 : x
  2. Step 2: Convert to fraction form
    3,996,709,341.55/5,515,240,383.98 = 2,187,871,290.08/x
  3. Step 3: Cross multiply
    3,996,709,341.55x = 5,515,240,383.98 × 2,187,871,290.08
  4. Step 4: Simplify right side
    3,996,709,341.55x = 12,066,636,093,961,121,792
  5. Step 5: Solve for x
    x = 12,066,636,093,961,121,792/3,996,709,341.55
  6. Step 6: Final answer
    x = 3,019,142,765.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.