Home / 31,953,431,344.60-47,930,147,016.90-13,334,289,621.40

Finding the Fourth Proportional to 31,953,431,344.60, 47,930,147,016.90 and 13,334,289,621.40

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Solution

The fourth proportional to 31,953,431,344.60, 47,930,147,016.90 and 13,334,289,621.40 is: 20,001,434,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,953,431,344.60 : 47,930,147,016.90 = 13,334,289,621.40 : x
  2. Step 2: Convert to fraction form
    31,953,431,344.60/47,930,147,016.90 = 13,334,289,621.40/x
  3. Step 3: Cross multiply
    31,953,431,344.60x = 47,930,147,016.90 × 13,334,289,621.40
  4. Step 4: Simplify right side
    31,953,431,344.60x = 639,114,461,919,625,871,360
  5. Step 5: Solve for x
    x = 639,114,461,919,625,871,360/31,953,431,344.60
  6. Step 6: Final answer
    x = 20,001,434,432.10

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1.5x scale

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.