Home / 510,118,016.80-765,177,025.20-251,837,690.80

Finding the Fourth Proportional to 510,118,016.80, 765,177,025.20 and 251,837,690.80

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Solution

The fourth proportional to 510,118,016.80, 765,177,025.20 and 251,837,690.80 is: 377,756,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,118,016.80 : 765,177,025.20 = 251,837,690.80 : x
  2. Step 2: Convert to fraction form
    510,118,016.80/765,177,025.20 = 251,837,690.80/x
  3. Step 3: Cross multiply
    510,118,016.80x = 765,177,025.20 × 251,837,690.80
  4. Step 4: Simplify right side
    510,118,016.80x = 192,700,415,079,581,440
  5. Step 5: Solve for x
    x = 192,700,415,079,581,440/510,118,016.80
  6. Step 6: Final answer
    x = 377,756,536.20

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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.