Home / 1,888,970,830.49-2,606,788,802.66-1,042,198,107.45

Finding the Fourth Proportional to 1,888,970,830.49, 2,606,788,802.66 and 1,042,198,107.45

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Solution

The fourth proportional to 1,888,970,830.49, 2,606,788,802.66 and 1,042,198,107.45 is: 1,438,238,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,970,830.49 : 2,606,788,802.66 = 1,042,198,107.45 : x
  2. Step 2: Convert to fraction form
    1,888,970,830.49/2,606,788,802.66 = 1,042,198,107.45/x
  3. Step 3: Cross multiply
    1,888,970,830.49x = 2,606,788,802.66 × 1,042,198,107.45
  4. Step 4: Simplify right side
    1,888,970,830.49x = 2,716,790,356,648,892,928
  5. Step 5: Solve for x
    x = 2,716,790,356,648,892,928/1,888,970,830.49
  6. Step 6: Final answer
    x = 1,438,238,385.05

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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.