Home / 1,293,569,469,754.80-1,785,006,070,900.90-715,493,546,719.48

Finding the Fourth Proportional to 1,293,569,469,754.80, 1,785,006,070,900.90 and 715,493,546,719.48

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Solution

The fourth proportional to 1,293,569,469,754.80, 1,785,006,070,900.90 and 715,493,546,719.48 is: 987,314,832,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,569,469,754.80 : 1,785,006,070,900.90 = 715,493,546,719.48 : x
  2. Step 2: Convert to fraction form
    1,293,569,469,754.80/1,785,006,070,900.90 = 715,493,546,719.48/x
  3. Step 3: Cross multiply
    1,293,569,469,754.80x = 1,785,006,070,900.90 × 715,493,546,719.48
  4. Step 4: Simplify right side
    1,293,569,469,754.80x = 1,277,160,324,584,688,429,563,904
  5. Step 5: Solve for x
    x = 1,277,160,324,584,688,429,563,904/1,293,569,469,754.80
  6. Step 6: Final answer
    x = 987,314,832,675.19

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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.