Home / 730,164,823.48-1,007,628,342.12-395,637,087.24

Finding the Fourth Proportional to 730,164,823.48, 1,007,628,342.12 and 395,637,087.24

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Solution

The fourth proportional to 730,164,823.48, 1,007,628,342.12 and 395,637,087.24 is: 545,979,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,164,823.48 : 1,007,628,342.12 = 395,637,087.24 : x
  2. Step 2: Convert to fraction form
    730,164,823.48/1,007,628,342.12 = 395,637,087.24/x
  3. Step 3: Cross multiply
    730,164,823.48x = 1,007,628,342.12 × 395,637,087.24
  4. Step 4: Simplify right side
    730,164,823.48x = 398,655,142,296,827,008
  5. Step 5: Solve for x
    x = 398,655,142,296,827,008/730,164,823.48
  6. Step 6: Final answer
    x = 545,979,660.31

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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.