Home / 12,312,950,647.96-16,991,416,674.30-6,674,045,431

Finding the Fourth Proportional to 12,312,950,647.96, 16,991,416,674.30 and 6,674,045,431

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Solution

The fourth proportional to 12,312,950,647.96, 16,991,416,674.30 and 6,674,045,431 is: 9,209,935,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,950,647.96 : 16,991,416,674.30 = 6,674,045,431 : x
  2. Step 2: Convert to fraction form
    12,312,950,647.96/16,991,416,674.30 = 6,674,045,431/x
  3. Step 3: Cross multiply
    12,312,950,647.96x = 16,991,416,674.30 × 6,674,045,431
  4. Step 4: Simplify right side
    12,312,950,647.96x = 113,401,486,821,329,125,376
  5. Step 5: Solve for x
    x = 113,401,486,821,329,125,376/12,312,950,647.96
  6. Step 6: Final answer
    x = 9,209,935,949.85

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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.