Home / 760,640,104.42-1,050,667,998.10-629,012,797.54

Finding the Fourth Proportional to 760,640,104.42, 1,050,667,998.10 and 629,012,797.54

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Solution

The fourth proportional to 760,640,104.42, 1,050,667,998.10 and 629,012,797.54 is: 868,851,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,640,104.42 : 1,050,667,998.10 = 629,012,797.54 : x
  2. Step 2: Convert to fraction form
    760,640,104.42/1,050,667,998.10 = 629,012,797.54/x
  3. Step 3: Cross multiply
    760,640,104.42x = 1,050,667,998.10 × 629,012,797.54
  4. Step 4: Simplify right side
    760,640,104.42x = 660,883,616,767,487,360
  5. Step 5: Solve for x
    x = 660,883,616,767,487,360/760,640,104.42
  6. Step 6: Final answer
    x = 868,851,922.12

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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.