Home / 503,577,013.40-755,365,520.10-298,999,784.60

Finding the Fourth Proportional to 503,577,013.40, 755,365,520.10 and 298,999,784.60

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Solution

The fourth proportional to 503,577,013.40, 755,365,520.10 and 298,999,784.60 is: 448,499,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,577,013.40 : 755,365,520.10 = 298,999,784.60 : x
  2. Step 2: Convert to fraction form
    503,577,013.40/755,365,520.10 = 298,999,784.60/x
  3. Step 3: Cross multiply
    503,577,013.40x = 755,365,520.10 × 298,999,784.60
  4. Step 4: Simplify right side
    503,577,013.40x = 225,854,127,804,167,008
  5. Step 5: Solve for x
    x = 225,854,127,804,167,008/503,577,013.40
  6. Step 6: Final answer
    x = 448,499,676.90

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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.