Home / 829,059,136.80-1,243,588,705.20-254,555,815.20

Finding the Fourth Proportional to 829,059,136.80, 1,243,588,705.20 and 254,555,815.20

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Solution

The fourth proportional to 829,059,136.80, 1,243,588,705.20 and 254,555,815.20 is: 381,833,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,059,136.80 : 1,243,588,705.20 = 254,555,815.20 : x
  2. Step 2: Convert to fraction form
    829,059,136.80/1,243,588,705.20 = 254,555,815.20/x
  3. Step 3: Cross multiply
    829,059,136.80x = 1,243,588,705.20 × 254,555,815.20
  4. Step 4: Simplify right side
    829,059,136.80x = 316,562,736,625,698,496
  5. Step 5: Solve for x
    x = 316,562,736,625,698,496/829,059,136.80
  6. Step 6: Final answer
    x = 381,833,722.80

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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.