Home / 12,312,950,457.72-16,991,416,412.28-6,674,045,240.46

Finding the Fourth Proportional to 12,312,950,457.72, 16,991,416,412.28 and 6,674,045,240.46

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Solution

The fourth proportional to 12,312,950,457.72, 16,991,416,412.28 and 6,674,045,240.46 is: 9,209,935,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,950,457.72 : 16,991,416,412.28 = 6,674,045,240.46 : x
  2. Step 2: Convert to fraction form
    12,312,950,457.72/16,991,416,412.28 = 6,674,045,240.46/x
  3. Step 3: Cross multiply
    12,312,950,457.72x = 16,991,416,412.28 × 6,674,045,240.46
  4. Step 4: Simplify right side
    12,312,950,457.72x = 113,401,481,835,051,270,144
  5. Step 5: Solve for x
    x = 113,401,481,835,051,270,144/12,312,950,457.72
  6. Step 6: Final answer
    x = 9,209,935,687.18

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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.