Home / 774,882,535.74-1,161,778,819.56-359,918,782.80

Finding the Fourth Proportional to 774,882,535.74, 1,161,778,819.56 and 359,918,782.80

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Solution

The fourth proportional to 774,882,535.74, 1,161,778,819.56 and 359,918,782.80 is: 539,625,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,882,535.74 : 1,161,778,819.56 = 359,918,782.80 : x
  2. Step 2: Convert to fraction form
    774,882,535.74/1,161,778,819.56 = 359,918,782.80/x
  3. Step 3: Cross multiply
    774,882,535.74x = 1,161,778,819.56 × 359,918,782.80
  4. Step 4: Simplify right side
    774,882,535.74x = 418,146,018,618,856,000
  5. Step 5: Solve for x
    x = 418,146,018,618,856,000/774,882,535.74
  6. Step 6: Final answer
    x = 539,625,039.06

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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.