Home / 839,963,032.32-1,260,005,089.68-322,393,473.60

Finding the Fourth Proportional to 839,963,032.32, 1,260,005,089.68 and 322,393,473.60

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Solution

The fourth proportional to 839,963,032.32, 1,260,005,089.68 and 322,393,473.60 is: 483,613,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,963,032.32 : 1,260,005,089.68 = 322,393,473.60 : x
  2. Step 2: Convert to fraction form
    839,963,032.32/1,260,005,089.68 = 322,393,473.60/x
  3. Step 3: Cross multiply
    839,963,032.32x = 1,260,005,089.68 × 322,393,473.60
  4. Step 4: Simplify right side
    839,963,032.32x = 406,217,417,615,614,784
  5. Step 5: Solve for x
    x = 406,217,417,615,614,784/839,963,032.32
  6. Step 6: Final answer
    x = 483,613,447.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.