Home / 745,375,611.60-1,118,063,417.40-254,642,992.20

Finding the Fourth Proportional to 745,375,611.60, 1,118,063,417.40 and 254,642,992.20

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Solution

The fourth proportional to 745,375,611.60, 1,118,063,417.40 and 254,642,992.20 is: 381,964,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,375,611.60 : 1,118,063,417.40 = 254,642,992.20 : x
  2. Step 2: Convert to fraction form
    745,375,611.60/1,118,063,417.40 = 254,642,992.20/x
  3. Step 3: Cross multiply
    745,375,611.60x = 1,118,063,417.40 × 254,642,992.20
  4. Step 4: Simplify right side
    745,375,611.60x = 284,707,014,076,093,568
  5. Step 5: Solve for x
    x = 284,707,014,076,093,568/745,375,611.60
  6. Step 6: Final answer
    x = 381,964,488.30

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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.