Home / 829,563,946.56-1,243,476,721.22-386,541,377.32

Finding the Fourth Proportional to 829,563,946.56, 1,243,476,721.22 and 386,541,377.32

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Solution

The fourth proportional to 829,563,946.56, 1,243,476,721.22 and 386,541,377.32 is: 579,407,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,563,946.56 : 1,243,476,721.22 = 386,541,377.32 : x
  2. Step 2: Convert to fraction form
    829,563,946.56/1,243,476,721.22 = 386,541,377.32/x
  3. Step 3: Cross multiply
    829,563,946.56x = 1,243,476,721.22 × 386,541,377.32
  4. Step 4: Simplify right side
    829,563,946.56x = 480,655,204,485,736,448
  5. Step 5: Solve for x
    x = 480,655,204,485,736,448/829,563,946.56
  6. Step 6: Final answer
    x = 579,407,056.54

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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.