Home / 37,959,386,787.74-52,381,951,688.58-21,679,793,109.56

Finding the Fourth Proportional to 37,959,386,787.74, 52,381,951,688.58 and 21,679,793,109.56

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Solution

The fourth proportional to 37,959,386,787.74, 52,381,951,688.58 and 21,679,793,109.56 is: 29,916,971,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959,386,787.74 : 52,381,951,688.58 = 21,679,793,109.56 : x
  2. Step 2: Convert to fraction form
    37,959,386,787.74/52,381,951,688.58 = 21,679,793,109.56/x
  3. Step 3: Cross multiply
    37,959,386,787.74x = 52,381,951,688.58 × 21,679,793,109.56
  4. Step 4: Simplify right side
    37,959,386,787.74x = 1,135,629,875,283,381,583,872
  5. Step 5: Solve for x
    x = 1,135,629,875,283,381,583,872/37,959,386,787.74
  6. Step 6: Final answer
    x = 29,916,971,041.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.