Home / 1,255,190,592.51-1,732,111,002.77-682,976,007.56

Finding the Fourth Proportional to 1,255,190,592.51, 1,732,111,002.77 and 682,976,007.56

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Solution

The fourth proportional to 1,255,190,592.51, 1,732,111,002.77 and 682,976,007.56 is: 942,478,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,190,592.51 : 1,732,111,002.77 = 682,976,007.56 : x
  2. Step 2: Convert to fraction form
    1,255,190,592.51/1,732,111,002.77 = 682,976,007.56/x
  3. Step 3: Cross multiply
    1,255,190,592.51x = 1,732,111,002.77 × 682,976,007.56
  4. Step 4: Simplify right side
    1,255,190,592.51x = 1,182,990,257,310,527,232
  5. Step 5: Solve for x
    x = 1,182,990,257,310,527,232/1,255,190,592.51
  6. Step 6: Final answer
    x = 942,478,588.01

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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.