Home / 1,689,467,954.86-2,331,251,453.50-926,311,210.26

Finding the Fourth Proportional to 1,689,467,954.86, 2,331,251,453.50 and 926,311,210.26

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Solution

The fourth proportional to 1,689,467,954.86, 2,331,251,453.50 and 926,311,210.26 is: 1,278,191,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,467,954.86 : 2,331,251,453.50 = 926,311,210.26 : x
  2. Step 2: Convert to fraction form
    1,689,467,954.86/2,331,251,453.50 = 926,311,210.26/x
  3. Step 3: Cross multiply
    1,689,467,954.86x = 2,331,251,453.50 × 926,311,210.26
  4. Step 4: Simplify right side
    1,689,467,954.86x = 2,159,464,355,311,969,024
  5. Step 5: Solve for x
    x = 2,159,464,355,311,969,024/1,689,467,954.86
  6. Step 6: Final answer
    x = 1,278,191,959.25

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1.5x scale

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.