Home / 351,988,439.04-485,736,739.20-195,346,448.64

Finding the Fourth Proportional to 351,988,439.04, 485,736,739.20 and 195,346,448.64

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Solution

The fourth proportional to 351,988,439.04, 485,736,739.20 and 195,346,448.64 is: 269,574,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,988,439.04 : 485,736,739.20 = 195,346,448.64 : x
  2. Step 2: Convert to fraction form
    351,988,439.04/485,736,739.20 = 195,346,448.64/x
  3. Step 3: Cross multiply
    351,988,439.04x = 485,736,739.20 × 195,346,448.64
  4. Step 4: Simplify right side
    351,988,439.04x = 94,886,946,976,693,872
  5. Step 5: Solve for x
    x = 94,886,946,976,693,872/351,988,439.04
  6. Step 6: Final answer
    x = 269,574,044.07

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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.