Home / 816,449,999.60-1,224,674,999.40-298,708,367.60

Finding the Fourth Proportional to 816,449,999.60, 1,224,674,999.40 and 298,708,367.60

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Solution

The fourth proportional to 816,449,999.60, 1,224,674,999.40 and 298,708,367.60 is: 448,062,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,449,999.60 : 1,224,674,999.40 = 298,708,367.60 : x
  2. Step 2: Convert to fraction form
    816,449,999.60/1,224,674,999.40 = 298,708,367.60/x
  3. Step 3: Cross multiply
    816,449,999.60x = 1,224,674,999.40 × 298,708,367.60
  4. Step 4: Simplify right side
    816,449,999.60x = 365,820,669,911,305,024
  5. Step 5: Solve for x
    x = 365,820,669,911,305,024/816,449,999.60
  6. Step 6: Final answer
    x = 448,062,551.40

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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.