Home / 545,333,951.52-819,211,612.14-338,225,414.76

Finding the Fourth Proportional to 545,333,951.52, 819,211,612.14 and 338,225,414.76

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Solution

The fourth proportional to 545,333,951.52, 819,211,612.14 and 338,225,414.76 is: 508,089,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,333,951.52 : 819,211,612.14 = 338,225,414.76 : x
  2. Step 2: Convert to fraction form
    545,333,951.52/819,211,612.14 = 338,225,414.76/x
  3. Step 3: Cross multiply
    545,333,951.52x = 819,211,612.14 × 338,225,414.76
  4. Step 4: Simplify right side
    545,333,951.52x = 277,078,187,292,259,744
  5. Step 5: Solve for x
    x = 277,078,187,292,259,744/545,333,951.52
  6. Step 6: Final answer
    x = 508,089,009.53

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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.