Home / 850,828,002.20-1,276,242,003.30-728,383,995.80

Finding the Fourth Proportional to 850,828,002.20, 1,276,242,003.30 and 728,383,995.80

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Solution

The fourth proportional to 850,828,002.20, 1,276,242,003.30 and 728,383,995.80 is: 1,092,575,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,828,002.20 : 1,276,242,003.30 = 728,383,995.80 : x
  2. Step 2: Convert to fraction form
    850,828,002.20/1,276,242,003.30 = 728,383,995.80/x
  3. Step 3: Cross multiply
    850,828,002.20x = 1,276,242,003.30 × 728,383,995.80
  4. Step 4: Simplify right side
    850,828,002.20x = 929,594,249,971,450,752
  5. Step 5: Solve for x
    x = 929,594,249,971,450,752/850,828,002.20
  6. Step 6: Final answer
    x = 1,092,575,993.70

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1.5x scale

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.