Home / 828,211,650,112.70-1,242,441,692,362.90-290,894,905,555.92

Finding the Fourth Proportional to 828,211,650,112.70, 1,242,441,692,362.90 and 290,894,905,555.92

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Solution

The fourth proportional to 828,211,650,112.70, 1,242,441,692,362.90 and 290,894,905,555.92 is: 436,385,987,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,211,650,112.70 : 1,242,441,692,362.90 = 290,894,905,555.92 : x
  2. Step 2: Convert to fraction form
    828,211,650,112.70/1,242,441,692,362.90 = 290,894,905,555.92/x
  3. Step 3: Cross multiply
    828,211,650,112.70x = 1,242,441,692,362.90 × 290,894,905,555.92
  4. Step 4: Simplify right side
    828,211,650,112.70x = 361,419,958,758,643,173,687,296
  5. Step 5: Solve for x
    x = 361,419,958,758,643,173,687,296/828,211,650,112.70
  6. Step 6: Final answer
    x = 436,385,987,457.99

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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.