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Finding the Fourth Proportional to 265,402,458.80, 398,103,688.20 and 150,611,202.80

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Solution

The fourth proportional to 265,402,458.80, 398,103,688.20 and 150,611,202.80 is: 225,916,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,402,458.80 : 398,103,688.20 = 150,611,202.80 : x
  2. Step 2: Convert to fraction form
    265,402,458.80/398,103,688.20 = 150,611,202.80/x
  3. Step 3: Cross multiply
    265,402,458.80x = 398,103,688.20 × 150,611,202.80
  4. Step 4: Simplify right side
    265,402,458.80x = 59,958,875,318,918,168
  5. Step 5: Solve for x
    x = 59,958,875,318,918,168/265,402,458.80
  6. Step 6: Final answer
    x = 225,916,804.20

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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.