Home / 503,628,473.86-755,450,540.64-149,138,615.66

Finding the Fourth Proportional to 503,628,473.86, 755,450,540.64 and 149,138,615.66

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Solution

The fourth proportional to 503,628,473.86, 755,450,540.64 and 149,138,615.66 is: 223,710,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,628,473.86 : 755,450,540.64 = 149,138,615.66 : x
  2. Step 2: Convert to fraction form
    503,628,473.86/755,450,540.64 = 149,138,615.66/x
  3. Step 3: Cross multiply
    503,628,473.86x = 755,450,540.64 × 149,138,615.66
  4. Step 4: Simplify right side
    503,628,473.86x = 112,666,847,826,870,912
  5. Step 5: Solve for x
    x = 112,666,847,826,870,912/503,628,473.86
  6. Step 6: Final answer
    x = 223,710,242.12

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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.