Home / 1,971,264,163.20-2,956,704,080.40-517,241,587.20

Finding the Fourth Proportional to 1,971,264,163.20, 2,956,704,080.40 and 517,241,587.20

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Solution

The fourth proportional to 1,971,264,163.20, 2,956,704,080.40 and 517,241,587.20 is: 775,811,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,264,163.20 : 2,956,704,080.40 = 517,241,587.20 : x
  2. Step 2: Convert to fraction form
    1,971,264,163.20/2,956,704,080.40 = 517,241,587.20/x
  3. Step 3: Cross multiply
    1,971,264,163.20x = 2,956,704,080.40 × 517,241,587.20
  4. Step 4: Simplify right side
    1,971,264,163.20x = 1,529,330,311,426,812,416
  5. Step 5: Solve for x
    x = 1,529,330,311,426,812,416/1,971,264,163.20
  6. Step 6: Final answer
    x = 775,811,958.63

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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.