Home / 21,105,037,787,512-31,639,425,584,016-7,334,835,457,568.40

Finding the Fourth Proportional to 21,105,037,787,512, 31,639,425,584,016 and 7,334,835,457,568.40

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Solution

The fourth proportional to 21,105,037,787,512, 31,639,425,584,016 and 7,334,835,457,568.40 is: 10,995,951,912,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,105,037,787,512 : 31,639,425,584,016 = 7,334,835,457,568.40 : x
  2. Step 2: Convert to fraction form
    21,105,037,787,512/31,639,425,584,016 = 7,334,835,457,568.40/x
  3. Step 3: Cross multiply
    21,105,037,787,512x = 31,639,425,584,016 × 7,334,835,457,568.40
  4. Step 4: Simplify right side
    21,105,037,787,512x = 232,069,980,630,737,337,630,851,072
  5. Step 5: Solve for x
    x = 232,069,980,630,737,337,630,851,072/21,105,037,787,512
  6. Step 6: Final answer
    x = 10,995,951,912,867.68

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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.