Home / 2,578,408,890.22-3,867,608,507.95-807,915,148.76

Finding the Fourth Proportional to 2,578,408,890.22, 3,867,608,507.95 and 807,915,148.76

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Solution

The fourth proportional to 2,578,408,890.22, 3,867,608,507.95 and 807,915,148.76 is: 1,211,871,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,408,890.22 : 3,867,608,507.95 = 807,915,148.76 : x
  2. Step 2: Convert to fraction form
    2,578,408,890.22/3,867,608,507.95 = 807,915,148.76/x
  3. Step 3: Cross multiply
    2,578,408,890.22x = 3,867,608,507.95 × 807,915,148.76
  4. Step 4: Simplify right side
    2,578,408,890.22x = 3,124,699,503,037,028,352
  5. Step 5: Solve for x
    x = 3,124,699,503,037,028,352/2,578,408,890.22
  6. Step 6: Final answer
    x = 1,211,871,210.53

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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.