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Finding the Fourth Proportional to 301,806,039.60, 452,709,059.40 and 298,936,258.20

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Solution

The fourth proportional to 301,806,039.60, 452,709,059.40 and 298,936,258.20 is: 448,404,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,806,039.60 : 452,709,059.40 = 298,936,258.20 : x
  2. Step 2: Convert to fraction form
    301,806,039.60/452,709,059.40 = 298,936,258.20/x
  3. Step 3: Cross multiply
    301,806,039.60x = 452,709,059.40 × 298,936,258.20
  4. Step 4: Simplify right side
    301,806,039.60x = 135,331,152,270,277,520
  5. Step 5: Solve for x
    x = 135,331,152,270,277,520/301,806,039.60
  6. Step 6: Final answer
    x = 448,404,387.30

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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.