Home / 1,918,583,561,608.90-2,877,897,450,288.90-693,435,726,420.75

Finding the Fourth Proportional to 1,918,583,561,608.90, 2,877,897,450,288.90 and 693,435,726,420.75

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Solution

The fourth proportional to 1,918,583,561,608.90, 2,877,897,450,288.90 and 693,435,726,420.75 is: 1,040,161,580,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,583,561,608.90 : 2,877,897,450,288.90 = 693,435,726,420.75 : x
  2. Step 2: Convert to fraction form
    1,918,583,561,608.90/2,877,897,450,288.90 = 693,435,726,420.75/x
  3. Step 3: Cross multiply
    1,918,583,561,608.90x = 2,877,897,450,288.90 × 693,435,726,420.75
  4. Step 4: Simplify right side
    1,918,583,561,608.90x = 1,995,636,909,005,507,588,521,984
  5. Step 5: Solve for x
    x = 1,995,636,909,005,507,588,521,984/1,918,583,561,608.90
  6. Step 6: Final answer
    x = 1,040,161,580,104.43

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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.