Home / 12,312,950,643.96-16,991,416,668.78-6,674,045,427

Finding the Fourth Proportional to 12,312,950,643.96, 16,991,416,668.78 and 6,674,045,427

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Solution

The fourth proportional to 12,312,950,643.96, 16,991,416,668.78 and 6,674,045,427 is: 9,209,935,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,950,643.96 : 16,991,416,668.78 = 6,674,045,427 : x
  2. Step 2: Convert to fraction form
    12,312,950,643.96/16,991,416,668.78 = 6,674,045,427/x
  3. Step 3: Cross multiply
    12,312,950,643.96x = 16,991,416,668.78 × 6,674,045,427
  4. Step 4: Simplify right side
    12,312,950,643.96x = 113,401,486,716,522,741,760
  5. Step 5: Solve for x
    x = 113,401,486,716,522,741,760/12,312,950,643.96
  6. Step 6: Final answer
    x = 9,209,935,944.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.