Home / 990,085,118.23-1,485,127,952.54-368,219,098.58

Finding the Fourth Proportional to 990,085,118.23, 1,485,127,952.54 and 368,219,098.58

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Solution

The fourth proportional to 990,085,118.23, 1,485,127,952.54 and 368,219,098.58 is: 552,328,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,085,118.23 : 1,485,127,952.54 = 368,219,098.58 : x
  2. Step 2: Convert to fraction form
    990,085,118.23/1,485,127,952.54 = 368,219,098.58/x
  3. Step 3: Cross multiply
    990,085,118.23x = 1,485,127,952.54 × 368,219,098.58
  4. Step 4: Simplify right side
    990,085,118.23x = 546,852,475,958,398,720
  5. Step 5: Solve for x
    x = 546,852,475,958,398,720/990,085,118.23
  6. Step 6: Final answer
    x = 552,328,750.22

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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.