Home / 768,012,296.85-1,059,858,811.97-415,592,069.24

Finding the Fourth Proportional to 768,012,296.85, 1,059,858,811.97 and 415,592,069.24

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Solution

The fourth proportional to 768,012,296.85, 1,059,858,811.97 and 415,592,069.24 is: 573,518,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,012,296.85 : 1,059,858,811.97 = 415,592,069.24 : x
  2. Step 2: Convert to fraction form
    768,012,296.85/1,059,858,811.97 = 415,592,069.24/x
  3. Step 3: Cross multiply
    768,012,296.85x = 1,059,858,811.97 × 415,592,069.24
  4. Step 4: Simplify right side
    768,012,296.85x = 440,468,916,771,011,328
  5. Step 5: Solve for x
    x = 440,468,916,771,011,328/768,012,296.85
  6. Step 6: Final answer
    x = 573,518,052.48

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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.