Home / 12,312,953,445.51-16,991,420,524.61-6,674,048,239.05

Finding the Fourth Proportional to 12,312,953,445.51, 16,991,420,524.61 and 6,674,048,239.05

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Solution

The fourth proportional to 12,312,953,445.51, 16,991,420,524.61 and 6,674,048,239.05 is: 9,209,939,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,953,445.51 : 16,991,420,524.61 = 6,674,048,239.05 : x
  2. Step 2: Convert to fraction form
    12,312,953,445.51/16,991,420,524.61 = 6,674,048,239.05/x
  3. Step 3: Cross multiply
    12,312,953,445.51x = 16,991,420,524.61 × 6,674,048,239.05
  4. Step 4: Simplify right side
    12,312,953,445.51x = 113,401,560,231,231,406,080
  5. Step 5: Solve for x
    x = 113,401,560,231,231,406,080/12,312,953,445.51
  6. Step 6: Final answer
    x = 9,209,939,819.32

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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.