Home / 1,119,436,789.32-1,544,869,492.20-617,678,122.32

Finding the Fourth Proportional to 1,119,436,789.32, 1,544,869,492.20 and 617,678,122.32

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Solution

The fourth proportional to 1,119,436,789.32, 1,544,869,492.20 and 617,678,122.32 is: 852,421,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,436,789.32 : 1,544,869,492.20 = 617,678,122.32 : x
  2. Step 2: Convert to fraction form
    1,119,436,789.32/1,544,869,492.20 = 617,678,122.32/x
  3. Step 3: Cross multiply
    1,119,436,789.32x = 1,544,869,492.20 × 617,678,122.32
  4. Step 4: Simplify right side
    1,119,436,789.32x = 954,232,087,171,548,032
  5. Step 5: Solve for x
    x = 954,232,087,171,548,032/1,119,436,789.32
  6. Step 6: Final answer
    x = 852,421,589.39

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Double scale
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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.