Home / 1,119,436,816.32-1,544,869,529.46-617,678,149.32

Finding the Fourth Proportional to 1,119,436,816.32, 1,544,869,529.46 and 617,678,149.32

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Solution

The fourth proportional to 1,119,436,816.32, 1,544,869,529.46 and 617,678,149.32 is: 852,421,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,436,816.32 : 1,544,869,529.46 = 617,678,149.32 : x
  2. Step 2: Convert to fraction form
    1,119,436,816.32/1,544,869,529.46 = 617,678,149.32/x
  3. Step 3: Cross multiply
    1,119,436,816.32x = 1,544,869,529.46 × 617,678,149.32
  4. Step 4: Simplify right side
    1,119,436,816.32x = 954,232,151,897,712,128
  5. Step 5: Solve for x
    x = 954,232,151,897,712,128/1,119,436,816.32
  6. Step 6: Final answer
    x = 852,421,626.65

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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.