Home / 990,085,122.48-1,485,127,958.91-368,219,102.83

Finding the Fourth Proportional to 990,085,122.48, 1,485,127,958.91 and 368,219,102.83

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Solution

The fourth proportional to 990,085,122.48, 1,485,127,958.91 and 368,219,102.83 is: 552,328,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,085,122.48 : 1,485,127,958.91 = 368,219,102.83 : x
  2. Step 2: Convert to fraction form
    990,085,122.48/1,485,127,958.91 = 368,219,102.83/x
  3. Step 3: Cross multiply
    990,085,122.48x = 1,485,127,958.91 × 368,219,102.83
  4. Step 4: Simplify right side
    990,085,122.48x = 546,852,484,617,589,312
  5. Step 5: Solve for x
    x = 546,852,484,617,589,312/990,085,122.48
  6. Step 6: Final answer
    x = 552,328,756.59

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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.