Home / 1,314,138,941.58-1,813,511,775.15-727,428,077.58

Finding the Fourth Proportional to 1,314,138,941.58, 1,813,511,775.15 and 727,428,077.58

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Solution

The fourth proportional to 1,314,138,941.58, 1,813,511,775.15 and 727,428,077.58 is: 1,003,850,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,138,941.58 : 1,813,511,775.15 = 727,428,077.58 : x
  2. Step 2: Convert to fraction form
    1,314,138,941.58/1,813,511,775.15 = 727,428,077.58/x
  3. Step 3: Cross multiply
    1,314,138,941.58x = 1,813,511,775.15 × 727,428,077.58
  4. Step 4: Simplify right side
    1,314,138,941.58x = 1,319,199,384,266,057,984
  5. Step 5: Solve for x
    x = 1,319,199,384,266,057,984/1,314,138,941.58
  6. Step 6: Final answer
    x = 1,003,850,766.86

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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.