Home / 277,790,419.60-416,685,629.40-263,634,643.60

Finding the Fourth Proportional to 277,790,419.60, 416,685,629.40 and 263,634,643.60

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Solution

The fourth proportional to 277,790,419.60, 416,685,629.40 and 263,634,643.60 is: 395,451,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,790,419.60 : 416,685,629.40 = 263,634,643.60 : x
  2. Step 2: Convert to fraction form
    277,790,419.60/416,685,629.40 = 263,634,643.60/x
  3. Step 3: Cross multiply
    277,790,419.60x = 416,685,629.40 × 263,634,643.60
  4. Step 4: Simplify right side
    277,790,419.60x = 109,852,767,400,110,672
  5. Step 5: Solve for x
    x = 109,852,767,400,110,672/277,790,419.60
  6. Step 6: Final answer
    x = 395,451,965.40

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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.