Home / 1,100,644,119-1,518,388,394.74-654,354,251.04

Finding the Fourth Proportional to 1,100,644,119, 1,518,388,394.74 and 654,354,251.04

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Solution

The fourth proportional to 1,100,644,119, 1,518,388,394.74 and 654,354,251.04 is: 902,711,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,644,119 : 1,518,388,394.74 = 654,354,251.04 : x
  2. Step 2: Convert to fraction form
    1,100,644,119/1,518,388,394.74 = 654,354,251.04/x
  3. Step 3: Cross multiply
    1,100,644,119x = 1,518,388,394.74 × 654,354,251.04
  4. Step 4: Simplify right side
    1,100,644,119x = 993,563,900,831,993,728
  5. Step 5: Solve for x
    x = 993,563,900,831,993,728/1,100,644,119
  6. Step 6: Final answer
    x = 902,711,315.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.