Home / 8,103,450,408.72-12,155,788,647.81-2,507,953,436.76

Finding the Fourth Proportional to 8,103,450,408.72, 12,155,788,647.81 and 2,507,953,436.76

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Solution

The fourth proportional to 8,103,450,408.72, 12,155,788,647.81 and 2,507,953,436.76 is: 3,762,119,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,450,408.72 : 12,155,788,647.81 = 2,507,953,436.76 : x
  2. Step 2: Convert to fraction form
    8,103,450,408.72/12,155,788,647.81 = 2,507,953,436.76/x
  3. Step 3: Cross multiply
    8,103,450,408.72x = 12,155,788,647.81 × 2,507,953,436.76
  4. Step 4: Simplify right side
    8,103,450,408.72x = 30,486,151,915,737,489,408
  5. Step 5: Solve for x
    x = 30,486,151,915,737,489,408/8,103,450,408.72
  6. Step 6: Final answer
    x = 3,762,119,884.50

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1.5x scale

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.