Home / 768,693,108.66-1,060,797,512.94-416,269,707.17

Finding the Fourth Proportional to 768,693,108.66, 1,060,797,512.94 and 416,269,707.17

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Solution

The fourth proportional to 768,693,108.66, 1,060,797,512.94 and 416,269,707.17 is: 574,452,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,693,108.66 : 1,060,797,512.94 = 416,269,707.17 : x
  2. Step 2: Convert to fraction form
    768,693,108.66/1,060,797,512.94 = 416,269,707.17/x
  3. Step 3: Cross multiply
    768,693,108.66x = 1,060,797,512.94 × 416,269,707.17
  4. Step 4: Simplify right side
    768,693,108.66x = 441,577,870,079,689,152
  5. Step 5: Solve for x
    x = 441,577,870,079,689,152/768,693,108.66
  6. Step 6: Final answer
    x = 574,452,749.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.