Home / 768,056,635.48-1,059,918,158.13-415,632,626.07

Finding the Fourth Proportional to 768,056,635.48, 1,059,918,158.13 and 415,632,626.07

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Solution

The fourth proportional to 768,056,635.48, 1,059,918,158.13 and 415,632,626.07 is: 573,573,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,056,635.48 : 1,059,918,158.13 = 415,632,626.07 : x
  2. Step 2: Convert to fraction form
    768,056,635.48/1,059,918,158.13 = 415,632,626.07/x
  3. Step 3: Cross multiply
    768,056,635.48x = 1,059,918,158.13 × 415,632,626.07
  4. Step 4: Simplify right side
    768,056,635.48x = 440,536,567,482,849,408
  5. Step 5: Solve for x
    x = 440,536,567,482,849,408/768,056,635.48
  6. Step 6: Final answer
    x = 573,573,024.61

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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.