Home / 338,867,608.60-508,301,412.90-235,555,478.20

Finding the Fourth Proportional to 338,867,608.60, 508,301,412.90 and 235,555,478.20

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Solution

The fourth proportional to 338,867,608.60, 508,301,412.90 and 235,555,478.20 is: 353,333,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,867,608.60 : 508,301,412.90 = 235,555,478.20 : x
  2. Step 2: Convert to fraction form
    338,867,608.60/508,301,412.90 = 235,555,478.20/x
  3. Step 3: Cross multiply
    338,867,608.60x = 508,301,412.90 × 235,555,478.20
  4. Step 4: Simplify right side
    338,867,608.60x = 119,733,182,385,395,136
  5. Step 5: Solve for x
    x = 119,733,182,385,395,136/338,867,608.60
  6. Step 6: Final answer
    x = 353,333,217.30

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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.