Home / 1,078,392,338.27-1,617,634,664.10-423,485,070.69

Finding the Fourth Proportional to 1,078,392,338.27, 1,617,634,664.10 and 423,485,070.69

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Solution

The fourth proportional to 1,078,392,338.27, 1,617,634,664.10 and 423,485,070.69 is: 635,245,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,392,338.27 : 1,617,634,664.10 = 423,485,070.69 : x
  2. Step 2: Convert to fraction form
    1,078,392,338.27/1,617,634,664.10 = 423,485,070.69/x
  3. Step 3: Cross multiply
    1,078,392,338.27x = 1,617,634,664.10 × 423,485,070.69
  4. Step 4: Simplify right side
    1,078,392,338.27x = 685,044,130,076,982,912
  5. Step 5: Solve for x
    x = 685,044,130,076,982,912/1,078,392,338.27
  6. Step 6: Final answer
    x = 635,245,731.79

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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.