Home / 1,447,674,755-1,997,631,308.46-812,449,551.80

Finding the Fourth Proportional to 1,447,674,755, 1,997,631,308.46 and 812,449,551.80

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Solution

The fourth proportional to 1,447,674,755, 1,997,631,308.46 and 812,449,551.80 is: 1,121,090,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,674,755 : 1,997,631,308.46 = 812,449,551.80 : x
  2. Step 2: Convert to fraction form
    1,447,674,755/1,997,631,308.46 = 812,449,551.80/x
  3. Step 3: Cross multiply
    1,447,674,755x = 1,997,631,308.46 × 812,449,551.80
  4. Step 4: Simplify right side
    1,447,674,755x = 1,622,974,661,219,974,400
  5. Step 5: Solve for x
    x = 1,622,974,661,219,974,400/1,447,674,755
  6. Step 6: Final answer
    x = 1,121,090,670.13

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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.