Home / 745,373,932.20-1,118,050,400.70-336,429,426.60

Finding the Fourth Proportional to 745,373,932.20, 1,118,050,400.70 and 336,429,426.60

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Solution

The fourth proportional to 745,373,932.20, 1,118,050,400.70 and 336,429,426.60 is: 504,639,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,373,932.20 : 1,118,050,400.70 = 336,429,426.60 : x
  2. Step 2: Convert to fraction form
    745,373,932.20/1,118,050,400.70 = 336,429,426.60/x
  3. Step 3: Cross multiply
    745,373,932.20x = 1,118,050,400.70 × 336,429,426.60
  4. Step 4: Simplify right side
    745,373,932.20x = 376,145,055,217,401,280
  5. Step 5: Solve for x
    x = 376,145,055,217,401,280/745,373,932.20
  6. Step 6: Final answer
    x = 504,639,401.74

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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.