Home / 947,783,198.07-1,421,868,696.96-325,917,668.00

Finding the Fourth Proportional to 947,783,198.07, 1,421,868,696.96 and 325,917,668.00

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Solution

The fourth proportional to 947,783,198.07, 1,421,868,696.96 and 325,917,668.00 is: 488,943,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,783,198.07 : 1,421,868,696.96 = 325,917,668.00 : x
  2. Step 2: Convert to fraction form
    947,783,198.07/1,421,868,696.96 = 325,917,668.00/x
  3. Step 3: Cross multiply
    947,783,198.07x = 1,421,868,696.96 × 325,917,668.00
  4. Step 4: Simplify right side
    947,783,198.07x = 463,412,129,920,998,528
  5. Step 5: Solve for x
    x = 463,412,129,920,998,528/947,783,198.07
  6. Step 6: Final answer
    x = 488,943,179.05

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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.