Home / 2,119,677,652.35-3,179,990,665.07-645,932,802.61

Finding the Fourth Proportional to 2,119,677,652.35, 3,179,990,665.07 and 645,932,802.61

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Solution

The fourth proportional to 2,119,677,652.35, 3,179,990,665.07 and 645,932,802.61 is: 969,043,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,677,652.35 : 3,179,990,665.07 = 645,932,802.61 : x
  2. Step 2: Convert to fraction form
    2,119,677,652.35/3,179,990,665.07 = 645,932,802.61/x
  3. Step 3: Cross multiply
    2,119,677,652.35x = 3,179,990,665.07 × 645,932,802.61
  4. Step 4: Simplify right side
    2,119,677,652.35x = 2,054,060,282,565,405,696
  5. Step 5: Solve for x
    x = 2,054,060,282,565,405,696/2,119,677,652.35
  6. Step 6: Final answer
    x = 969,043,703.55

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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.