Home / 1,415,639,785.77-1,954,419,953.70-1,258,572,310.74

Finding the Fourth Proportional to 1,415,639,785.77, 1,954,419,953.70 and 1,258,572,310.74

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Solution

The fourth proportional to 1,415,639,785.77, 1,954,419,953.70 and 1,258,572,310.74 is: 1,737,573,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,639,785.77 : 1,954,419,953.70 = 1,258,572,310.74 : x
  2. Step 2: Convert to fraction form
    1,415,639,785.77/1,954,419,953.70 = 1,258,572,310.74/x
  3. Step 3: Cross multiply
    1,415,639,785.77x = 1,954,419,953.70 × 1,258,572,310.74
  4. Step 4: Simplify right side
    1,415,639,785.77x = 2,459,778,837,284,572,672
  5. Step 5: Solve for x
    x = 2,459,778,837,284,572,672/1,415,639,785.77
  6. Step 6: Final answer
    x = 1,737,573,966.21

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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.