Home / 827,897,428,022.70-1,240,801,531,017.30-419,586,393,969.45

Finding the Fourth Proportional to 827,897,428,022.70, 1,240,801,531,017.30 and 419,586,393,969.45

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Solution

The fourth proportional to 827,897,428,022.70, 1,240,801,531,017.30 and 419,586,393,969.45 is: 628,850,172,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,897,428,022.70 : 1,240,801,531,017.30 = 419,586,393,969.45 : x
  2. Step 2: Convert to fraction form
    827,897,428,022.70/1,240,801,531,017.30 = 419,586,393,969.45/x
  3. Step 3: Cross multiply
    827,897,428,022.70x = 1,240,801,531,017.30 × 419,586,393,969.45
  4. Step 4: Simplify right side
    827,897,428,022.70x = 520,623,440,031,321,610,518,528
  5. Step 5: Solve for x
    x = 520,623,440,031,321,610,518,528/827,897,428,022.70
  6. Step 6: Final answer
    x = 628,850,172,025.23

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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.