Home / 20,101,032,014.40-30,151,548,021.60-5,379,053,432.40

Finding the Fourth Proportional to 20,101,032,014.40, 30,151,548,021.60 and 5,379,053,432.40

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Solution

The fourth proportional to 20,101,032,014.40, 30,151,548,021.60 and 5,379,053,432.40 is: 8,068,580,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,032,014.40 : 30,151,548,021.60 = 5,379,053,432.40 : x
  2. Step 2: Convert to fraction form
    20,101,032,014.40/30,151,548,021.60 = 5,379,053,432.40/x
  3. Step 3: Cross multiply
    20,101,032,014.40x = 30,151,548,021.60 × 5,379,053,432.40
  4. Step 4: Simplify right side
    20,101,032,014.40x = 162,186,787,877,760,892,928
  5. Step 5: Solve for x
    x = 162,186,787,877,760,892,928/20,101,032,014.40
  6. Step 6: Final answer
    x = 8,068,580,148.60

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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.