Home / 1,102,470,026.78-1,653,947,185.35-326,055,158.30

Finding the Fourth Proportional to 1,102,470,026.78, 1,653,947,185.35 and 326,055,158.30

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Solution

The fourth proportional to 1,102,470,026.78, 1,653,947,185.35 and 326,055,158.30 is: 489,154,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,470,026.78 : 1,653,947,185.35 = 326,055,158.30 : x
  2. Step 2: Convert to fraction form
    1,102,470,026.78/1,653,947,185.35 = 326,055,158.30/x
  3. Step 3: Cross multiply
    1,102,470,026.78x = 1,653,947,185.35 × 326,055,158.30
  4. Step 4: Simplify right side
    1,102,470,026.78x = 539,278,011,339,133,696
  5. Step 5: Solve for x
    x = 539,278,011,339,133,696/1,102,470,026.78
  6. Step 6: Final answer
    x = 489,154,351.81

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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.