Home / 1,141,378,739.76-1,709,161,697.64-752,021,147.12

Finding the Fourth Proportional to 1,141,378,739.76, 1,709,161,697.64 and 752,021,147.12

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Solution

The fourth proportional to 1,141,378,739.76, 1,709,161,697.64 and 752,021,147.12 is: 1,126,116,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,378,739.76 : 1,709,161,697.64 = 752,021,147.12 : x
  2. Step 2: Convert to fraction form
    1,141,378,739.76/1,709,161,697.64 = 752,021,147.12/x
  3. Step 3: Cross multiply
    1,141,378,739.76x = 1,709,161,697.64 × 752,021,147.12
  4. Step 4: Simplify right side
    1,141,378,739.76x = 1,285,325,740,472,799,488
  5. Step 5: Solve for x
    x = 1,285,325,740,472,799,488/1,141,378,739.76
  6. Step 6: Final answer
    x = 1,126,116,770.62

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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.