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Finding the Fourth Proportional to 1,099,223,728.40, 1,648,835,592.60 and 487,003,696.40

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Solution

The fourth proportional to 1,099,223,728.40, 1,648,835,592.60 and 487,003,696.40 is: 730,505,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,223,728.40 : 1,648,835,592.60 = 487,003,696.40 : x
  2. Step 2: Convert to fraction form
    1,099,223,728.40/1,648,835,592.60 = 487,003,696.40/x
  3. Step 3: Cross multiply
    1,099,223,728.40x = 1,648,835,592.60 × 487,003,696.40
  4. Step 4: Simplify right side
    1,099,223,728.40x = 802,989,028,352,084,352
  5. Step 5: Solve for x
    x = 802,989,028,352,084,352/1,099,223,728.40
  6. Step 6: Final answer
    x = 730,505,544.60

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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.