Home / 990,074,583,001.23-1,485,111,874,501.80-990,074,583,001.23

Finding the Fourth Proportional to 990,074,583,001.23, 1,485,111,874,501.80 and 990,074,583,001.23

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Solution

The fourth proportional to 990,074,583,001.23, 1,485,111,874,501.80 and 990,074,583,001.23 is: 1,485,111,874,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,074,583,001.23 : 1,485,111,874,501.80 = 990,074,583,001.23 : x
  2. Step 2: Convert to fraction form
    990,074,583,001.23/1,485,111,874,501.80 = 990,074,583,001.23/x
  3. Step 3: Cross multiply
    990,074,583,001.23x = 1,485,111,874,501.80 × 990,074,583,001.23
  4. Step 4: Simplify right side
    990,074,583,001.23x = 1,470,371,519,857,544,728,150,016
  5. Step 5: Solve for x
    x = 1,470,371,519,857,544,728,150,016/990,074,583,001.23
  6. Step 6: Final answer
    x = 1,485,111,874,501.80

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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.