Home / 768,056,634.73-1,059,918,157.10-415,632,625.32

Finding the Fourth Proportional to 768,056,634.73, 1,059,918,157.10 and 415,632,625.32

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Solution

The fourth proportional to 768,056,634.73, 1,059,918,157.10 and 415,632,625.32 is: 573,573,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,056,634.73 : 1,059,918,157.10 = 415,632,625.32 : x
  2. Step 2: Convert to fraction form
    768,056,634.73/1,059,918,157.10 = 415,632,625.32/x
  3. Step 3: Cross multiply
    768,056,634.73x = 1,059,918,157.10 × 415,632,625.32
  4. Step 4: Simplify right side
    768,056,634.73x = 440,536,566,255,075,968
  5. Step 5: Solve for x
    x = 440,536,566,255,075,968/768,056,634.73
  6. Step 6: Final answer
    x = 573,573,023.57

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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.