Home / 31,912,720,400.40-47,869,080,600.60-21,260,091,843.60

Finding the Fourth Proportional to 31,912,720,400.40, 47,869,080,600.60 and 21,260,091,843.60

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Solution

The fourth proportional to 31,912,720,400.40, 47,869,080,600.60 and 21,260,091,843.60 is: 31,890,137,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,720,400.40 : 47,869,080,600.60 = 21,260,091,843.60 : x
  2. Step 2: Convert to fraction form
    31,912,720,400.40/47,869,080,600.60 = 21,260,091,843.60/x
  3. Step 3: Cross multiply
    31,912,720,400.40x = 47,869,080,600.60 × 21,260,091,843.60
  4. Step 4: Simplify right side
    31,912,720,400.40x = 1,017,701,050,037,446,901,760
  5. Step 5: Solve for x
    x = 1,017,701,050,037,446,901,760/31,912,720,400.40
  6. Step 6: Final answer
    x = 31,890,137,765.40

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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.