Home / 1,131,833,243.04-1,697,749,755.12-313,945,579.68

Finding the Fourth Proportional to 1,131,833,243.04, 1,697,749,755.12 and 313,945,579.68

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Solution

The fourth proportional to 1,131,833,243.04, 1,697,749,755.12 and 313,945,579.68 is: 470,918,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,833,243.04 : 1,697,749,755.12 = 313,945,579.68 : x
  2. Step 2: Convert to fraction form
    1,131,833,243.04/1,697,749,755.12 = 313,945,579.68/x
  3. Step 3: Cross multiply
    1,131,833,243.04x = 1,697,749,755.12 × 313,945,579.68
  4. Step 4: Simplify right side
    1,131,833,243.04x = 533,001,031,022,726,400
  5. Step 5: Solve for x
    x = 533,001,031,022,726,400/1,131,833,243.04
  6. Step 6: Final answer
    x = 470,918,339.16

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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.