Home / 445,312,148.90-667,968,223.35-263,465,723.30

Finding the Fourth Proportional to 445,312,148.90, 667,968,223.35 and 263,465,723.30

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Solution

The fourth proportional to 445,312,148.90, 667,968,223.35 and 263,465,723.30 is: 395,198,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,312,148.90 : 667,968,223.35 = 263,465,723.30 : x
  2. Step 2: Convert to fraction form
    445,312,148.90/667,968,223.35 = 263,465,723.30/x
  3. Step 3: Cross multiply
    445,312,148.90x = 667,968,223.35 × 263,465,723.30
  4. Step 4: Simplify right side
    445,312,148.90x = 175,986,731,106,323,712
  5. Step 5: Solve for x
    x = 175,986,731,106,323,712/445,312,148.90
  6. Step 6: Final answer
    x = 395,198,584.95

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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.