Home / 829,059,104.80-1,243,588,657.20-254,555,783.20

Finding the Fourth Proportional to 829,059,104.80, 1,243,588,657.20 and 254,555,783.20

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Solution

The fourth proportional to 829,059,104.80, 1,243,588,657.20 and 254,555,783.20 is: 381,833,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,059,104.80 : 1,243,588,657.20 = 254,555,783.20 : x
  2. Step 2: Convert to fraction form
    829,059,104.80/1,243,588,657.20 = 254,555,783.20/x
  3. Step 3: Cross multiply
    829,059,104.80x = 1,243,588,657.20 × 254,555,783.20
  4. Step 4: Simplify right side
    829,059,104.80x = 316,562,684,612,182,336
  5. Step 5: Solve for x
    x = 316,562,684,612,182,336/829,059,104.80
  6. Step 6: Final answer
    x = 381,833,674.80

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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.