Home / 729,835,080.84-1,007,164,393.38-395,299,280.52

Finding the Fourth Proportional to 729,835,080.84, 1,007,164,393.38 and 395,299,280.52

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Solution

The fourth proportional to 729,835,080.84, 1,007,164,393.38 and 395,299,280.52 is: 545,508,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,835,080.84 : 1,007,164,393.38 = 395,299,280.52 : x
  2. Step 2: Convert to fraction form
    729,835,080.84/1,007,164,393.38 = 395,299,280.52/x
  3. Step 3: Cross multiply
    729,835,080.84x = 1,007,164,393.38 × 395,299,280.52
  4. Step 4: Simplify right side
    729,835,080.84x = 398,131,360,068,476,224
  5. Step 5: Solve for x
    x = 398,131,360,068,476,224/729,835,080.84
  6. Step 6: Final answer
    x = 545,508,664.25

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1.5x scale

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.