Home / 436,627,744.80-654,941,617.20-313,546,009.20

Finding the Fourth Proportional to 436,627,744.80, 654,941,617.20 and 313,546,009.20

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Solution

The fourth proportional to 436,627,744.80, 654,941,617.20 and 313,546,009.20 is: 470,319,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,627,744.80 : 654,941,617.20 = 313,546,009.20 : x
  2. Step 2: Convert to fraction form
    436,627,744.80/654,941,617.20 = 313,546,009.20/x
  3. Step 3: Cross multiply
    436,627,744.80x = 654,941,617.20 × 313,546,009.20
  4. Step 4: Simplify right side
    436,627,744.80x = 205,354,330,332,054,080
  5. Step 5: Solve for x
    x = 205,354,330,332,054,080/436,627,744.80
  6. Step 6: Final answer
    x = 470,319,013.80

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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.