Home / 768,056,668.08-1,059,918,203.28-415,632,658.58

Finding the Fourth Proportional to 768,056,668.08, 1,059,918,203.28 and 415,632,658.58

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Solution

The fourth proportional to 768,056,668.08, 1,059,918,203.28 and 415,632,658.58 is: 573,573,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,056,668.08 : 1,059,918,203.28 = 415,632,658.58 : x
  2. Step 2: Convert to fraction form
    768,056,668.08/1,059,918,203.28 = 415,632,658.58/x
  3. Step 3: Cross multiply
    768,056,668.08x = 1,059,918,203.28 × 415,632,658.58
  4. Step 4: Simplify right side
    768,056,668.08x = 440,536,620,706,603,264
  5. Step 5: Solve for x
    x = 440,536,620,706,603,264/768,056,668.08
  6. Step 6: Final answer
    x = 573,573,069.56

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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.