Home / 1,328,510,436.88-1,833,344,332.88-717,456,440.56

Finding the Fourth Proportional to 1,328,510,436.88, 1,833,344,332.88 and 717,456,440.56

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Solution

The fourth proportional to 1,328,510,436.88, 1,833,344,332.88 and 717,456,440.56 is: 990,089,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,510,436.88 : 1,833,344,332.88 = 717,456,440.56 : x
  2. Step 2: Convert to fraction form
    1,328,510,436.88/1,833,344,332.88 = 717,456,440.56/x
  3. Step 3: Cross multiply
    1,328,510,436.88x = 1,833,344,332.88 × 717,456,440.56
  4. Step 4: Simplify right side
    1,328,510,436.88x = 1,315,344,699,388,932,608
  5. Step 5: Solve for x
    x = 1,315,344,699,388,932,608/1,328,510,436.88
  6. Step 6: Final answer
    x = 990,089,850.16

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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.