Home / 768,012,297.85-1,059,858,813.35-415,592,070.24

Finding the Fourth Proportional to 768,012,297.85, 1,059,858,813.35 and 415,592,070.24

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Solution

The fourth proportional to 768,012,297.85, 1,059,858,813.35 and 415,592,070.24 is: 573,518,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,012,297.85 : 1,059,858,813.35 = 415,592,070.24 : x
  2. Step 2: Convert to fraction form
    768,012,297.85/1,059,858,813.35 = 415,592,070.24/x
  3. Step 3: Cross multiply
    768,012,297.85x = 1,059,858,813.35 × 415,592,070.24
  4. Step 4: Simplify right side
    768,012,297.85x = 440,468,918,402,236,288
  5. Step 5: Solve for x
    x = 440,468,918,402,236,288/768,012,297.85
  6. Step 6: Final answer
    x = 573,518,053.86

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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.