Home / 503,577,009.15-755,365,513.73-298,999,780.35

Finding the Fourth Proportional to 503,577,009.15, 755,365,513.73 and 298,999,780.35

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Solution

The fourth proportional to 503,577,009.15, 755,365,513.73 and 298,999,780.35 is: 448,499,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,577,009.15 : 755,365,513.73 = 298,999,780.35 : x
  2. Step 2: Convert to fraction form
    503,577,009.15/755,365,513.73 = 298,999,780.35/x
  3. Step 3: Cross multiply
    503,577,009.15x = 755,365,513.73 × 298,999,780.35
  4. Step 4: Simplify right side
    503,577,009.15x = 225,854,122,687,739,936
  5. Step 5: Solve for x
    x = 225,854,122,687,739,936/503,577,009.15
  6. Step 6: Final answer
    x = 448,499,670.53

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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.