Home / 1,415,639,787.77-1,954,419,956.46-1,258,572,312.74

Finding the Fourth Proportional to 1,415,639,787.77, 1,954,419,956.46 and 1,258,572,312.74

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Solution

The fourth proportional to 1,415,639,787.77, 1,954,419,956.46 and 1,258,572,312.74 is: 1,737,573,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,639,787.77 : 1,954,419,956.46 = 1,258,572,312.74 : x
  2. Step 2: Convert to fraction form
    1,415,639,787.77/1,954,419,956.46 = 1,258,572,312.74/x
  3. Step 3: Cross multiply
    1,415,639,787.77x = 1,954,419,956.46 × 1,258,572,312.74
  4. Step 4: Simplify right side
    1,415,639,787.77x = 2,459,778,844,667,072,512
  5. Step 5: Solve for x
    x = 2,459,778,844,667,072,512/1,415,639,787.77
  6. Step 6: Final answer
    x = 1,737,573,968.97

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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.