Home / 503,557,731.40-755,336,597.10-298,980,502.60

Finding the Fourth Proportional to 503,557,731.40, 755,336,597.10 and 298,980,502.60

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Solution

The fourth proportional to 503,557,731.40, 755,336,597.10 and 298,980,502.60 is: 448,470,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,557,731.40 : 755,336,597.10 = 298,980,502.60 : x
  2. Step 2: Convert to fraction form
    503,557,731.40/755,336,597.10 = 298,980,502.60/x
  3. Step 3: Cross multiply
    503,557,731.40x = 755,336,597.10 × 298,980,502.60
  4. Step 4: Simplify right side
    503,557,731.40x = 225,830,915,433,131,712
  5. Step 5: Solve for x
    x = 225,830,915,433,131,712/503,557,731.40
  6. Step 6: Final answer
    x = 448,470,753.90

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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.