Home / 47,930,157,014.40-71,895,235,521.60-20,001,444,429.60

Finding the Fourth Proportional to 47,930,157,014.40, 71,895,235,521.60 and 20,001,444,429.60

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Solution

The fourth proportional to 47,930,157,014.40, 71,895,235,521.60 and 20,001,444,429.60 is: 30,002,166,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930,157,014.40 : 71,895,235,521.60 = 20,001,444,429.60 : x
  2. Step 2: Convert to fraction form
    47,930,157,014.40/71,895,235,521.60 = 20,001,444,429.60/x
  3. Step 3: Cross multiply
    47,930,157,014.40x = 71,895,235,521.60 × 20,001,444,429.60
  4. Step 4: Simplify right side
    47,930,157,014.40x = 1,438,008,558,038,286,336,000
  5. Step 5: Solve for x
    x = 1,438,008,558,038,286,336,000/47,930,157,014.40
  6. Step 6: Final answer
    x = 30,002,166,644.40

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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.