Home / 438,622,390.80-657,933,586.20-352,528,948.80

Finding the Fourth Proportional to 438,622,390.80, 657,933,586.20 and 352,528,948.80

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Solution

The fourth proportional to 438,622,390.80, 657,933,586.20 and 352,528,948.80 is: 528,793,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,622,390.80 : 657,933,586.20 = 352,528,948.80 : x
  2. Step 2: Convert to fraction form
    438,622,390.80/657,933,586.20 = 352,528,948.80/x
  3. Step 3: Cross multiply
    438,622,390.80x = 657,933,586.20 × 352,528,948.80
  4. Step 4: Simplify right side
    438,622,390.80x = 231,940,635,523,300,224
  5. Step 5: Solve for x
    x = 231,940,635,523,300,224/438,622,390.80
  6. Step 6: Final answer
    x = 528,793,423.20

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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.