Home / 366,881,375-506,129,467.67-218,118,085.68

Finding the Fourth Proportional to 366,881,375, 506,129,467.67 and 218,118,085.68

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Solution

The fourth proportional to 366,881,375, 506,129,467.67 and 218,118,085.68 is: 300,903,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,881,375 : 506,129,467.67 = 218,118,085.68 : x
  2. Step 2: Convert to fraction form
    366,881,375/506,129,467.67 = 218,118,085.68/x
  3. Step 3: Cross multiply
    366,881,375x = 506,129,467.67 × 218,118,085.68
  4. Step 4: Simplify right side
    366,881,375x = 110,395,990,594,417,856
  5. Step 5: Solve for x
    x = 110,395,990,594,417,856/366,881,375
  6. Step 6: Final answer
    x = 300,903,774.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.