Home / 768,671,723.01-1,152,769,118.82-277,321,118.92

Finding the Fourth Proportional to 768,671,723.01, 1,152,769,118.82 and 277,321,118.92

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Solution

The fourth proportional to 768,671,723.01, 1,152,769,118.82 and 277,321,118.92 is: 415,895,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,671,723.01 : 1,152,769,118.82 = 277,321,118.92 : x
  2. Step 2: Convert to fraction form
    768,671,723.01/1,152,769,118.82 = 277,321,118.92/x
  3. Step 3: Cross multiply
    768,671,723.01x = 1,152,769,118.82 × 277,321,118.92
  4. Step 4: Simplify right side
    768,671,723.01x = 319,687,221,883,649,088
  5. Step 5: Solve for x
    x = 319,687,221,883,649,088/768,671,723.01
  6. Step 6: Final answer
    x = 415,895,644.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.