Home / 2,112,475,059.70-3,168,696,843.15-638,612,019.70

Finding the Fourth Proportional to 2,112,475,059.70, 3,168,696,843.15 and 638,612,019.70

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Solution

The fourth proportional to 2,112,475,059.70, 3,168,696,843.15 and 638,612,019.70 is: 957,913,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,475,059.70 : 3,168,696,843.15 = 638,612,019.70 : x
  2. Step 2: Convert to fraction form
    2,112,475,059.70/3,168,696,843.15 = 638,612,019.70/x
  3. Step 3: Cross multiply
    2,112,475,059.70x = 3,168,696,843.15 × 638,612,019.70
  4. Step 4: Simplify right side
    2,112,475,059.70x = 2,023,567,890,821,035,776
  5. Step 5: Solve for x
    x = 2,023,567,890,821,035,776/2,112,475,059.70
  6. Step 6: Final answer
    x = 957,913,269.33

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1.5x scale

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.