Home / 1,915,190,338.77-2,642,961,473.73-1,035,124,042.77

Finding the Fourth Proportional to 1,915,190,338.77, 2,642,961,473.73 and 1,035,124,042.77

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Solution

The fourth proportional to 1,915,190,338.77, 2,642,961,473.73 and 1,035,124,042.77 is: 1,428,470,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,190,338.77 : 2,642,961,473.73 = 1,035,124,042.77 : x
  2. Step 2: Convert to fraction form
    1,915,190,338.77/2,642,961,473.73 = 1,035,124,042.77/x
  3. Step 3: Cross multiply
    1,915,190,338.77x = 2,642,961,473.73 × 1,035,124,042.77
  4. Step 4: Simplify right side
    1,915,190,338.77x = 2,735,792,965,572,754,944
  5. Step 5: Solve for x
    x = 2,735,792,965,572,754,944/1,915,190,338.77
  6. Step 6: Final answer
    x = 1,428,470,533.81

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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.