Home / 569,263,450,839.07-785,598,016,309.38-312,346,279,984.18

Finding the Fourth Proportional to 569,263,450,839.07, 785,598,016,309.38 and 312,346,279,984.18

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Solution

The fourth proportional to 569,263,450,839.07, 785,598,016,309.38 and 312,346,279,984.18 is: 431,045,797,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,263,450,839.07 : 785,598,016,309.38 = 312,346,279,984.18 : x
  2. Step 2: Convert to fraction form
    569,263,450,839.07/785,598,016,309.38 = 312,346,279,984.18/x
  3. Step 3: Cross multiply
    569,263,450,839.07x = 785,598,016,309.38 × 312,346,279,984.18
  4. Step 4: Simplify right side
    569,263,450,839.07x = 245,378,617,957,186,021,621,760
  5. Step 5: Solve for x
    x = 245,378,617,957,186,021,621,760/569,263,450,839.07
  6. Step 6: Final answer
    x = 431,045,797,153.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.