Home / 728,954,036.63-1,005,585,969.34-442,769,407.03

Finding the Fourth Proportional to 728,954,036.63, 1,005,585,969.34 and 442,769,407.03

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Solution

The fourth proportional to 728,954,036.63, 1,005,585,969.34 and 442,769,407.03 is: 610,796,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,954,036.63 : 1,005,585,969.34 = 442,769,407.03 : x
  2. Step 2: Convert to fraction form
    728,954,036.63/1,005,585,969.34 = 442,769,407.03/x
  3. Step 3: Cross multiply
    728,954,036.63x = 1,005,585,969.34 × 442,769,407.03
  4. Step 4: Simplify right side
    728,954,036.63x = 445,242,703,366,963,520
  5. Step 5: Solve for x
    x = 445,242,703,366,963,520/728,954,036.63
  6. Step 6: Final answer
    x = 610,796,677.15

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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.