Home / 1,991,910,295,375.90-2,988,047,783,424-559,308,535,973.20

Finding the Fourth Proportional to 1,991,910,295,375.90, 2,988,047,783,424 and 559,308,535,973.20

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Solution

The fourth proportional to 1,991,910,295,375.90, 2,988,047,783,424 and 559,308,535,973.20 is: 839,014,003,313.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,910,295,375.90 : 2,988,047,783,424 = 559,308,535,973.20 : x
  2. Step 2: Convert to fraction form
    1,991,910,295,375.90/2,988,047,783,424 = 559,308,535,973.20/x
  3. Step 3: Cross multiply
    1,991,910,295,375.90x = 2,988,047,783,424 × 559,308,535,973.20
  4. Step 4: Simplify right side
    1,991,910,295,375.90x = 1,671,240,631,164,842,566,221,824
  5. Step 5: Solve for x
    x = 1,671,240,631,164,842,566,221,824/1,991,910,295,375.90
  6. Step 6: Final answer
    x = 839,014,003,313.57

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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.