Home / 760,640,105.42-1,050,667,999.48-629,012,798.54

Finding the Fourth Proportional to 760,640,105.42, 1,050,667,999.48 and 629,012,798.54

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Solution

The fourth proportional to 760,640,105.42, 1,050,667,999.48 and 629,012,798.54 is: 868,851,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,640,105.42 : 1,050,667,999.48 = 629,012,798.54 : x
  2. Step 2: Convert to fraction form
    760,640,105.42/1,050,667,999.48 = 629,012,798.54/x
  3. Step 3: Cross multiply
    760,640,105.42x = 1,050,667,999.48 × 629,012,798.54
  4. Step 4: Simplify right side
    760,640,105.42x = 660,883,618,689,337,984
  5. Step 5: Solve for x
    x = 660,883,618,689,337,984/760,640,105.42
  6. Step 6: Final answer
    x = 868,851,923.51

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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.