Home / 836,604,639.20-1,254,906,958.80-377,439,615.20

Finding the Fourth Proportional to 836,604,639.20, 1,254,906,958.80 and 377,439,615.20

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Solution

The fourth proportional to 836,604,639.20, 1,254,906,958.80 and 377,439,615.20 is: 566,159,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,604,639.20 : 1,254,906,958.80 = 377,439,615.20 : x
  2. Step 2: Convert to fraction form
    836,604,639.20/1,254,906,958.80 = 377,439,615.20/x
  3. Step 3: Cross multiply
    836,604,639.20x = 1,254,906,958.80 × 377,439,615.20
  4. Step 4: Simplify right side
    836,604,639.20x = 473,651,599,641,274,240
  5. Step 5: Solve for x
    x = 473,651,599,641,274,240/836,604,639.20
  6. Step 6: Final answer
    x = 566,159,422.80

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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.