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Finding the Fourth Proportional to 898,678,915.20, 1,346,002,833.60 and 898,678,915.20

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Solution

The fourth proportional to 898,678,915.20, 1,346,002,833.60 and 898,678,915.20 is: 1,346,002,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,678,915.20 : 1,346,002,833.60 = 898,678,915.20 : x
  2. Step 2: Convert to fraction form
    898,678,915.20/1,346,002,833.60 = 898,678,915.20/x
  3. Step 3: Cross multiply
    898,678,915.20x = 1,346,002,833.60 × 898,678,915.20
  4. Step 4: Simplify right side
    898,678,915.20x = 1,209,624,366,355,774,208
  5. Step 5: Solve for x
    x = 1,209,624,366,355,774,208/898,678,915.20
  6. Step 6: Final answer
    x = 1,346,002,833.60

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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.