Home / 434,558,255.40-651,837,383.10-261,946,218.60

Finding the Fourth Proportional to 434,558,255.40, 651,837,383.10 and 261,946,218.60

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Solution

The fourth proportional to 434,558,255.40, 651,837,383.10 and 261,946,218.60 is: 392,919,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,558,255.40 : 651,837,383.10 = 261,946,218.60 : x
  2. Step 2: Convert to fraction form
    434,558,255.40/651,837,383.10 = 261,946,218.60/x
  3. Step 3: Cross multiply
    434,558,255.40x = 651,837,383.10 × 261,946,218.60
  4. Step 4: Simplify right side
    434,558,255.40x = 170,746,337,645,164,544
  5. Step 5: Solve for x
    x = 170,746,337,645,164,544/434,558,255.40
  6. Step 6: Final answer
    x = 392,919,327.90

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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.