Home / 3,530,147,659.20-4,871,243,261.70-2,173,566,139.20

Finding the Fourth Proportional to 3,530,147,659.20, 4,871,243,261.70 and 2,173,566,139.20

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Solution

The fourth proportional to 3,530,147,659.20, 4,871,243,261.70 and 2,173,566,139.20 is: 2,999,299,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,147,659.20 : 4,871,243,261.70 = 2,173,566,139.20 : x
  2. Step 2: Convert to fraction form
    3,530,147,659.20/4,871,243,261.70 = 2,173,566,139.20/x
  3. Step 3: Cross multiply
    3,530,147,659.20x = 4,871,243,261.70 × 2,173,566,139.20
  4. Step 4: Simplify right side
    3,530,147,659.20x = 10,587,969,409,437,282,304
  5. Step 5: Solve for x
    x = 10,587,969,409,437,282,304/3,530,147,659.20
  6. Step 6: Final answer
    x = 2,999,299,301.79

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Double scale
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1.5x scale

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.