Home / 754,025,999.80-1,131,038,999.70-208,767,533.80

Finding the Fourth Proportional to 754,025,999.80, 1,131,038,999.70 and 208,767,533.80

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Solution

The fourth proportional to 754,025,999.80, 1,131,038,999.70 and 208,767,533.80 is: 313,151,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,025,999.80 : 1,131,038,999.70 = 208,767,533.80 : x
  2. Step 2: Convert to fraction form
    754,025,999.80/1,131,038,999.70 = 208,767,533.80/x
  3. Step 3: Cross multiply
    754,025,999.80x = 1,131,038,999.70 × 208,767,533.80
  4. Step 4: Simplify right side
    754,025,999.80x = 236,124,222,598,987,968
  5. Step 5: Solve for x
    x = 236,124,222,598,987,968/754,025,999.80
  6. Step 6: Final answer
    x = 313,151,300.70

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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.