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Finding the Fourth Proportional to 602,288,900.40, 903,433,350.60 and 359,826,999.60

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Solution

The fourth proportional to 602,288,900.40, 903,433,350.60 and 359,826,999.60 is: 539,740,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,288,900.40 : 903,433,350.60 = 359,826,999.60 : x
  2. Step 2: Convert to fraction form
    602,288,900.40/903,433,350.60 = 359,826,999.60/x
  3. Step 3: Cross multiply
    602,288,900.40x = 903,433,350.60 × 359,826,999.60
  4. Step 4: Simplify right side
    602,288,900.40x = 325,079,711,884,972,864
  5. Step 5: Solve for x
    x = 325,079,711,884,972,864/602,288,900.40
  6. Step 6: Final answer
    x = 539,740,499.40

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1.5x scale

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.