Home / 745,751,976.30-1,118,672,803.53-228,186,900.81

Finding the Fourth Proportional to 745,751,976.30, 1,118,672,803.53 and 228,186,900.81

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Solution

The fourth proportional to 745,751,976.30, 1,118,672,803.53 and 228,186,900.81 is: 342,294,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,751,976.30 : 1,118,672,803.53 = 228,186,900.81 : x
  2. Step 2: Convert to fraction form
    745,751,976.30/1,118,672,803.53 = 228,186,900.81/x
  3. Step 3: Cross multiply
    745,751,976.30x = 1,118,672,803.53 × 228,186,900.81
  4. Step 4: Simplify right side
    745,751,976.30x = 255,266,480,057,944,736
  5. Step 5: Solve for x
    x = 255,266,480,057,944,736/745,751,976.30
  6. Step 6: Final answer
    x = 342,294,071.18

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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.