Home / 1,617,069,969.45-2,231,563,283.73-874,514,032.20

Finding the Fourth Proportional to 1,617,069,969.45, 2,231,563,283.73 and 874,514,032.20

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Solution

The fourth proportional to 1,617,069,969.45, 2,231,563,283.73 and 874,514,032.20 is: 1,206,833,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,069,969.45 : 2,231,563,283.73 = 874,514,032.20 : x
  2. Step 2: Convert to fraction form
    1,617,069,969.45/2,231,563,283.73 = 874,514,032.20/x
  3. Step 3: Cross multiply
    1,617,069,969.45x = 2,231,563,283.73 × 874,514,032.20
  4. Step 4: Simplify right side
    1,617,069,969.45x = 1,951,533,405,364,195,072
  5. Step 5: Solve for x
    x = 1,951,533,405,364,195,072/1,617,069,969.45
  6. Step 6: Final answer
    x = 1,206,833,001.81

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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.