Home / 455,072,054.92-682,638,351.14-159,931,479.39

Finding the Fourth Proportional to 455,072,054.92, 682,638,351.14 and 159,931,479.39

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Solution

The fourth proportional to 455,072,054.92, 682,638,351.14 and 159,931,479.39 is: 239,907,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,072,054.92 : 682,638,351.14 = 159,931,479.39 : x
  2. Step 2: Convert to fraction form
    455,072,054.92/682,638,351.14 = 159,931,479.39/x
  3. Step 3: Cross multiply
    455,072,054.92x = 682,638,351.14 × 159,931,479.39
  4. Step 4: Simplify right side
    455,072,054.92x = 109,175,361,386,170,480
  5. Step 5: Solve for x
    x = 109,175,361,386,170,480/455,072,054.92
  6. Step 6: Final answer
    x = 239,907,856.80

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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.