Home / 1,064,137,991.40-1,469,201,419.80-952,435,391.76

Finding the Fourth Proportional to 1,064,137,991.40, 1,469,201,419.80 and 952,435,391.76

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Solution

The fourth proportional to 1,064,137,991.40, 1,469,201,419.80 and 952,435,391.76 is: 1,314,979,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,137,991.40 : 1,469,201,419.80 = 952,435,391.76 : x
  2. Step 2: Convert to fraction form
    1,064,137,991.40/1,469,201,419.80 = 952,435,391.76/x
  3. Step 3: Cross multiply
    1,064,137,991.40x = 1,469,201,419.80 × 952,435,391.76
  4. Step 4: Simplify right side
    1,064,137,991.40x = 1,399,319,429,841,561,088
  5. Step 5: Solve for x
    x = 1,399,319,429,841,561,088/1,064,137,991.40
  6. Step 6: Final answer
    x = 1,314,979,298.88

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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.