Home / 1,040,596,489.44-1,436,049,520.56-570,716,517.60

Finding the Fourth Proportional to 1,040,596,489.44, 1,436,049,520.56 and 570,716,517.60

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Solution

The fourth proportional to 1,040,596,489.44, 1,436,049,520.56 and 570,716,517.60 is: 787,603,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,596,489.44 : 1,436,049,520.56 = 570,716,517.60 : x
  2. Step 2: Convert to fraction form
    1,040,596,489.44/1,436,049,520.56 = 570,716,517.60/x
  3. Step 3: Cross multiply
    1,040,596,489.44x = 1,436,049,520.56 × 570,716,517.60
  4. Step 4: Simplify right side
    1,040,596,489.44x = 819,577,181,475,152,768
  5. Step 5: Solve for x
    x = 819,577,181,475,152,768/1,040,596,489.44
  6. Step 6: Final answer
    x = 787,603,254.28

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Double scale
Find fourth proportional to 1,040,596,490.44, 1,436,049,521.94 and 570,716,518.60
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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.