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Finding the Fourth Proportional to 868,599,405.60, 1,302,899,108.40 and 732,550,509.60

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Solution

The fourth proportional to 868,599,405.60, 1,302,899,108.40 and 732,550,509.60 is: 1,098,825,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,599,405.60 : 1,302,899,108.40 = 732,550,509.60 : x
  2. Step 2: Convert to fraction form
    868,599,405.60/1,302,899,108.40 = 732,550,509.60/x
  3. Step 3: Cross multiply
    868,599,405.60x = 1,302,899,108.40 × 732,550,509.60
  4. Step 4: Simplify right side
    868,599,405.60x = 954,439,405,815,805,696
  5. Step 5: Solve for x
    x = 954,439,405,815,805,696/868,599,405.60
  6. Step 6: Final answer
    x = 1,098,825,764.40

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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.