Home / 961,402,806.09-1,442,060,873.73-400,933,842.57

Finding the Fourth Proportional to 961,402,806.09, 1,442,060,873.73 and 400,933,842.57

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Solution

The fourth proportional to 961,402,806.09, 1,442,060,873.73 and 400,933,842.57 is: 601,382,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,402,806.09 : 1,442,060,873.73 = 400,933,842.57 : x
  2. Step 2: Convert to fraction form
    961,402,806.09/1,442,060,873.73 = 400,933,842.57/x
  3. Step 3: Cross multiply
    961,402,806.09x = 1,442,060,873.73 × 400,933,842.57
  4. Step 4: Simplify right side
    961,402,806.09x = 578,171,007,324,420,480
  5. Step 5: Solve for x
    x = 578,171,007,324,420,480/961,402,806.09
  6. Step 6: Final answer
    x = 601,382,691.69

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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.