Home / 20,449,126,807.60-30,673,690,211.40-9,429,166,231.60

Finding the Fourth Proportional to 20,449,126,807.60, 30,673,690,211.40 and 9,429,166,231.60

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Solution

The fourth proportional to 20,449,126,807.60, 30,673,690,211.40 and 9,429,166,231.60 is: 14,143,749,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,126,807.60 : 30,673,690,211.40 = 9,429,166,231.60 : x
  2. Step 2: Convert to fraction form
    20,449,126,807.60/30,673,690,211.40 = 9,429,166,231.60/x
  3. Step 3: Cross multiply
    20,449,126,807.60x = 30,673,690,211.40 × 9,429,166,231.60
  4. Step 4: Simplify right side
    20,449,126,807.60x = 289,227,323,939,892,363,264
  5. Step 5: Solve for x
    x = 289,227,323,939,892,363,264/20,449,126,807.60
  6. Step 6: Final answer
    x = 14,143,749,347.40

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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.