Home / 1,345,969,501.43-2,017,255,956.53-682,150,312.80

Finding the Fourth Proportional to 1,345,969,501.43, 2,017,255,956.53 and 682,150,312.80

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Solution

The fourth proportional to 1,345,969,501.43, 2,017,255,956.53 and 682,150,312.80 is: 1,022,364,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,969,501.43 : 2,017,255,956.53 = 682,150,312.80 : x
  2. Step 2: Convert to fraction form
    1,345,969,501.43/2,017,255,956.53 = 682,150,312.80/x
  3. Step 3: Cross multiply
    1,345,969,501.43x = 2,017,255,956.53 × 682,150,312.80
  4. Step 4: Simplify right side
    1,345,969,501.43x = 1,376,071,781,741,191,936
  5. Step 5: Solve for x
    x = 1,376,071,781,741,191,936/1,345,969,501.43
  6. Step 6: Final answer
    x = 1,022,364,756.62

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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.