Home / 1,278,005,796,399.80-1,917,008,694,599.70-906,501,611,055.80

Finding the Fourth Proportional to 1,278,005,796,399.80, 1,917,008,694,599.70 and 906,501,611,055.80

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Solution

The fourth proportional to 1,278,005,796,399.80, 1,917,008,694,599.70 and 906,501,611,055.80 is: 1,359,752,416,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,005,796,399.80 : 1,917,008,694,599.70 = 906,501,611,055.80 : x
  2. Step 2: Convert to fraction form
    1,278,005,796,399.80/1,917,008,694,599.70 = 906,501,611,055.80/x
  3. Step 3: Cross multiply
    1,278,005,796,399.80x = 1,917,008,694,599.70 × 906,501,611,055.80
  4. Step 4: Simplify right side
    1,278,005,796,399.80x = 1,737,771,470,062,604,211,191,808
  5. Step 5: Solve for x
    x = 1,737,771,470,062,604,211,191,808/1,278,005,796,399.80
  6. Step 6: Final answer
    x = 1,359,752,416,583.70

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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.