Home / 354,294,663.60-531,441,995.40-352,142,327.55

Finding the Fourth Proportional to 354,294,663.60, 531,441,995.40 and 352,142,327.55

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Solution

The fourth proportional to 354,294,663.60, 531,441,995.40 and 352,142,327.55 is: 528,213,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,663.60 : 531,441,995.40 = 352,142,327.55 : x
  2. Step 2: Convert to fraction form
    354,294,663.60/531,441,995.40 = 352,142,327.55/x
  3. Step 3: Cross multiply
    354,294,663.60x = 531,441,995.40 × 352,142,327.55
  4. Step 4: Simplify right side
    354,294,663.60x = 187,143,221,217,972,384
  5. Step 5: Solve for x
    x = 187,143,221,217,972,384/354,294,663.60
  6. Step 6: Final answer
    x = 528,213,491.33

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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.