Home / 850,828,002.70-1,276,242,004.05-728,383,996.30

Finding the Fourth Proportional to 850,828,002.70, 1,276,242,004.05 and 728,383,996.30

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Solution

The fourth proportional to 850,828,002.70, 1,276,242,004.05 and 728,383,996.30 is: 1,092,575,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,828,002.70 : 1,276,242,004.05 = 728,383,996.30 : x
  2. Step 2: Convert to fraction form
    850,828,002.70/1,276,242,004.05 = 728,383,996.30/x
  3. Step 3: Cross multiply
    850,828,002.70x = 1,276,242,004.05 × 728,383,996.30
  4. Step 4: Simplify right side
    850,828,002.70x = 929,594,251,155,859,712
  5. Step 5: Solve for x
    x = 929,594,251,155,859,712/850,828,002.70
  6. Step 6: Final answer
    x = 1,092,575,994.45

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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.