Home / 1,290,604,322,219.80-1,781,190,141,434.80-734,544,647,074.35

Finding the Fourth Proportional to 1,290,604,322,219.80, 1,781,190,141,434.80 and 734,544,647,074.35

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Solution

The fourth proportional to 1,290,604,322,219.80, 1,781,190,141,434.80 and 734,544,647,074.35 is: 1,013,760,500,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,604,322,219.80 : 1,781,190,141,434.80 = 734,544,647,074.35 : x
  2. Step 2: Convert to fraction form
    1,290,604,322,219.80/1,781,190,141,434.80 = 734,544,647,074.35/x
  3. Step 3: Cross multiply
    1,290,604,322,219.80x = 1,781,190,141,434.80 × 734,544,647,074.35
  4. Step 4: Simplify right side
    1,290,604,322,219.80x = 1,308,363,683,812,536,645,320,704
  5. Step 5: Solve for x
    x = 1,308,363,683,812,536,645,320,704/1,290,604,322,219.80
  6. Step 6: Final answer
    x = 1,013,760,500,632.91

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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.