Home / 20,201,431,313.88-30,302,176,134.77-8,249,683,667.43

Finding the Fourth Proportional to 20,201,431,313.88, 30,302,176,134.77 and 8,249,683,667.43

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Solution

The fourth proportional to 20,201,431,313.88, 30,302,176,134.77 and 8,249,683,667.43 is: 12,374,537,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201,431,313.88 : 30,302,176,134.77 = 8,249,683,667.43 : x
  2. Step 2: Convert to fraction form
    20,201,431,313.88/30,302,176,134.77 = 8,249,683,667.43/x
  3. Step 3: Cross multiply
    20,201,431,313.88x = 30,302,176,134.77 × 8,249,683,667.43
  4. Step 4: Simplify right side
    20,201,431,313.88x = 249,983,367,546,599,211,008
  5. Step 5: Solve for x
    x = 249,983,367,546,599,211,008/20,201,431,313.88
  6. Step 6: Final answer
    x = 12,374,537,410.86

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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.