Home / 543,201,404.40-814,802,106.60-198,166,287.60

Finding the Fourth Proportional to 543,201,404.40, 814,802,106.60 and 198,166,287.60

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Solution

The fourth proportional to 543,201,404.40, 814,802,106.60 and 198,166,287.60 is: 297,249,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,201,404.40 : 814,802,106.60 = 198,166,287.60 : x
  2. Step 2: Convert to fraction form
    543,201,404.40/814,802,106.60 = 198,166,287.60/x
  3. Step 3: Cross multiply
    543,201,404.40x = 814,802,106.60 × 198,166,287.60
  4. Step 4: Simplify right side
    543,201,404.40x = 161,466,308,593,581,472
  5. Step 5: Solve for x
    x = 161,466,308,593,581,472/543,201,404.40
  6. Step 6: Final answer
    x = 297,249,431.40

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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.