Home / 545,333,952.52-819,211,613.64-338,225,415.76

Finding the Fourth Proportional to 545,333,952.52, 819,211,613.64 and 338,225,415.76

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Solution

The fourth proportional to 545,333,952.52, 819,211,613.64 and 338,225,415.76 is: 508,089,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,333,952.52 : 819,211,613.64 = 338,225,415.76 : x
  2. Step 2: Convert to fraction form
    545,333,952.52/819,211,613.64 = 338,225,415.76/x
  3. Step 3: Cross multiply
    545,333,952.52x = 819,211,613.64 × 338,225,415.76
  4. Step 4: Simplify right side
    545,333,952.52x = 277,078,188,618,809,472
  5. Step 5: Solve for x
    x = 277,078,188,618,809,472/545,333,952.52
  6. Step 6: Final answer
    x = 508,089,011.03

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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.