Home / 883,003,779.82-1,218,162,329.22-525,571,136.20

Finding the Fourth Proportional to 883,003,779.82, 1,218,162,329.22 and 525,571,136.20

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Solution

The fourth proportional to 883,003,779.82, 1,218,162,329.22 and 525,571,136.20 is: 725,060,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,003,779.82 : 1,218,162,329.22 = 525,571,136.20 : x
  2. Step 2: Convert to fraction form
    883,003,779.82/1,218,162,329.22 = 525,571,136.20/x
  3. Step 3: Cross multiply
    883,003,779.82x = 1,218,162,329.22 × 525,571,136.20
  4. Step 4: Simplify right side
    883,003,779.82x = 640,230,959,444,193,920
  5. Step 5: Solve for x
    x = 640,230,959,444,193,920/883,003,779.82
  6. Step 6: Final answer
    x = 725,060,270.49

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1.5x scale

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.