Home / 526,485,513.52-726,541,075.44-291,531,129.44

Finding the Fourth Proportional to 526,485,513.52, 726,541,075.44 and 291,531,129.44

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Solution

The fourth proportional to 526,485,513.52, 726,541,075.44 and 291,531,129.44 is: 402,308,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,485,513.52 : 726,541,075.44 = 291,531,129.44 : x
  2. Step 2: Convert to fraction form
    526,485,513.52/726,541,075.44 = 291,531,129.44/x
  3. Step 3: Cross multiply
    526,485,513.52x = 726,541,075.44 × 291,531,129.44
  4. Step 4: Simplify right side
    526,485,513.52x = 211,809,340,307,575,456
  5. Step 5: Solve for x
    x = 211,809,340,307,575,456/526,485,513.52
  6. Step 6: Final answer
    x = 402,308,012.03

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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.