Home / 800,340,804.02-1,200,571,752.67-247,699,127.78

Finding the Fourth Proportional to 800,340,804.02, 1,200,571,752.67 and 247,699,127.78

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Solution

The fourth proportional to 800,340,804.02, 1,200,571,752.67 and 247,699,127.78 is: 371,567,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,340,804.02 : 1,200,571,752.67 = 247,699,127.78 : x
  2. Step 2: Convert to fraction form
    800,340,804.02/1,200,571,752.67 = 247,699,127.78/x
  3. Step 3: Cross multiply
    800,340,804.02x = 1,200,571,752.67 × 247,699,127.78
  4. Step 4: Simplify right side
    800,340,804.02x = 297,380,575,973,664,896
  5. Step 5: Solve for x
    x = 297,380,575,973,664,896/800,340,804.02
  6. Step 6: Final answer
    x = 371,567,430.37

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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.