Home / 1,360,555,397.97-1,877,625,907.62-765,878,255.25

Finding the Fourth Proportional to 1,360,555,397.97, 1,877,625,907.62 and 765,878,255.25

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Solution

The fourth proportional to 1,360,555,397.97, 1,877,625,907.62 and 765,878,255.25 is: 1,056,945,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,555,397.97 : 1,877,625,907.62 = 765,878,255.25 : x
  2. Step 2: Convert to fraction form
    1,360,555,397.97/1,877,625,907.62 = 765,878,255.25/x
  3. Step 3: Cross multiply
    1,360,555,397.97x = 1,877,625,907.62 × 765,878,255.25
  4. Step 4: Simplify right side
    1,360,555,397.97x = 1,438,032,854,140,203,264
  5. Step 5: Solve for x
    x = 1,438,032,854,140,203,264/1,360,555,397.97
  6. Step 6: Final answer
    x = 1,056,945,462.34

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Double scale
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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.