Home / 1,018,933,430.57-1,528,147,711.34-436,601,640.41

Finding the Fourth Proportional to 1,018,933,430.57, 1,528,147,711.34 and 436,601,640.41

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Solution

The fourth proportional to 1,018,933,430.57, 1,528,147,711.34 and 436,601,640.41 is: 654,794,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,933,430.57 : 1,528,147,711.34 = 436,601,640.41 : x
  2. Step 2: Convert to fraction form
    1,018,933,430.57/1,528,147,711.34 = 436,601,640.41/x
  3. Step 3: Cross multiply
    1,018,933,430.57x = 1,528,147,711.34 × 436,601,640.41
  4. Step 4: Simplify right side
    1,018,933,430.57x = 667,191,797,564,743,040
  5. Step 5: Solve for x
    x = 667,191,797,564,743,040/1,018,933,430.57
  6. Step 6: Final answer
    x = 654,794,295.24

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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.