Home / 770,574,390.40-1,157,749,022.40-579,471,414.40

Finding the Fourth Proportional to 770,574,390.40, 1,157,749,022.40 and 579,471,414.40

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Solution

The fourth proportional to 770,574,390.40, 1,157,749,022.40 and 579,471,414.40 is: 870,626,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,574,390.40 : 1,157,749,022.40 = 579,471,414.40 : x
  2. Step 2: Convert to fraction form
    770,574,390.40/1,157,749,022.40 = 579,471,414.40/x
  3. Step 3: Cross multiply
    770,574,390.40x = 1,157,749,022.40 × 579,471,414.40
  4. Step 4: Simplify right side
    770,574,390.40x = 670,882,463,530,345,344
  5. Step 5: Solve for x
    x = 670,882,463,530,345,344/770,574,390.40
  6. Step 6: Final answer
    x = 870,626,472.78

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1.5x scale

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.