Home / 926,782,257,909.76-1,389,423,189,912-289,746,747,845.44

Finding the Fourth Proportional to 926,782,257,909.76, 1,389,423,189,912 and 289,746,747,845.44

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Solution

The fourth proportional to 926,782,257,909.76, 1,389,423,189,912 and 289,746,747,845.44 is: 434,385,582,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,782,257,909.76 : 1,389,423,189,912 = 289,746,747,845.44 : x
  2. Step 2: Convert to fraction form
    926,782,257,909.76/1,389,423,189,912 = 289,746,747,845.44/x
  3. Step 3: Cross multiply
    926,782,257,909.76x = 1,389,423,189,912 × 289,746,747,845.44
  4. Step 4: Simplify right side
    926,782,257,909.76x = 402,580,850,658,039,172,169,728
  5. Step 5: Solve for x
    x = 402,580,850,658,039,172,169,728/926,782,257,909.76
  6. Step 6: Final answer
    x = 434,385,582,181.96

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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.