Home / 768,012,300.92-1,059,858,817.58-415,592,073.31

Finding the Fourth Proportional to 768,012,300.92, 1,059,858,817.58 and 415,592,073.31

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Solution

The fourth proportional to 768,012,300.92, 1,059,858,817.58 and 415,592,073.31 is: 573,518,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,012,300.92 : 1,059,858,817.58 = 415,592,073.31 : x
  2. Step 2: Convert to fraction form
    768,012,300.92/1,059,858,817.58 = 415,592,073.31/x
  3. Step 3: Cross multiply
    768,012,300.92x = 1,059,858,817.58 × 415,592,073.31
  4. Step 4: Simplify right side
    768,012,300.92x = 440,468,923,406,580,032
  5. Step 5: Solve for x
    x = 440,468,923,406,580,032/768,012,300.92
  6. Step 6: Final answer
    x = 573,518,058.09

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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.