Home / 1,918,583,561,609.80-2,877,897,450,290.40-693,435,726,421.74

Finding the Fourth Proportional to 1,918,583,561,609.80, 2,877,897,450,290.40 and 693,435,726,421.74

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Solution

The fourth proportional to 1,918,583,561,609.80, 2,877,897,450,290.40 and 693,435,726,421.74 is: 1,040,161,580,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,583,561,609.80 : 2,877,897,450,290.40 = 693,435,726,421.74 : x
  2. Step 2: Convert to fraction form
    1,918,583,561,609.80/2,877,897,450,290.40 = 693,435,726,421.74/x
  3. Step 3: Cross multiply
    1,918,583,561,609.80x = 2,877,897,450,290.40 × 693,435,726,421.74
  4. Step 4: Simplify right side
    1,918,583,561,609.80x = 1,995,636,909,009,396,681,408,512
  5. Step 5: Solve for x
    x = 1,995,636,909,009,396,681,408,512/1,918,583,561,609.80
  6. Step 6: Final answer
    x = 1,040,161,580,105.97

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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.