Home / 674,014,480,933.68-930,139,759,246.72-369,513,598,997.52

Finding the Fourth Proportional to 674,014,480,933.68, 930,139,759,246.72 and 369,513,598,997.52

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Solution

The fourth proportional to 674,014,480,933.68, 930,139,759,246.72 and 369,513,598,997.52 is: 509,928,643,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,014,480,933.68 : 930,139,759,246.72 = 369,513,598,997.52 : x
  2. Step 2: Convert to fraction form
    674,014,480,933.68/930,139,759,246.72 = 369,513,598,997.52/x
  3. Step 3: Cross multiply
    674,014,480,933.68x = 930,139,759,246.72 × 369,513,598,997.52
  4. Step 4: Simplify right side
    674,014,480,933.68x = 343,699,290,009,942,324,412,416
  5. Step 5: Solve for x
    x = 343,699,290,009,942,324,412,416/674,014,480,933.68
  6. Step 6: Final answer
    x = 509,928,643,571.33

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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.