Home / 749,273,078,310.45-1,121,973,988,338.30-517,122,453,664.20

Finding the Fourth Proportional to 749,273,078,310.45, 1,121,973,988,338.30 and 517,122,453,664.20

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Solution

The fourth proportional to 749,273,078,310.45, 1,121,973,988,338.30 and 517,122,453,664.20 is: 774,347,775,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,273,078,310.45 : 1,121,973,988,338.30 = 517,122,453,664.20 : x
  2. Step 2: Convert to fraction form
    749,273,078,310.45/1,121,973,988,338.30 = 517,122,453,664.20/x
  3. Step 3: Cross multiply
    749,273,078,310.45x = 1,121,973,988,338.30 × 517,122,453,664.20
  4. Step 4: Simplify right side
    749,273,078,310.45x = 580,197,941,796,910,242,201,600
  5. Step 5: Solve for x
    x = 580,197,941,796,910,242,201,600/749,273,078,310.45
  6. Step 6: Final answer
    x = 774,347,775,987.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.