Home / 21,254,022,449.85-31,885,511,176.83-6,894,609,671.38

Finding the Fourth Proportional to 21,254,022,449.85, 31,885,511,176.83 and 6,894,609,671.38

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Solution

The fourth proportional to 21,254,022,449.85, 31,885,511,176.83 and 6,894,609,671.38 is: 10,343,366,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,022,449.85 : 31,885,511,176.83 = 6,894,609,671.38 : x
  2. Step 2: Convert to fraction form
    21,254,022,449.85/31,885,511,176.83 = 6,894,609,671.38/x
  3. Step 3: Cross multiply
    21,254,022,449.85x = 31,885,511,176.83 × 6,894,609,671.38
  4. Step 4: Simplify right side
    21,254,022,449.85x = 219,838,153,736,507,785,216
  5. Step 5: Solve for x
    x = 219,838,153,736,507,785,216/21,254,022,449.85
  6. Step 6: Final answer
    x = 10,343,366,967.61

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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.