Home / 2,120,699,441,878-3,181,049,204,854.70-509,033,322,920.40

Finding the Fourth Proportional to 2,120,699,441,878, 3,181,049,204,854.70 and 509,033,322,920.40

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Solution

The fourth proportional to 2,120,699,441,878, 3,181,049,204,854.70 and 509,033,322,920.40 is: 763,549,994,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,699,441,878 : 3,181,049,204,854.70 = 509,033,322,920.40 : x
  2. Step 2: Convert to fraction form
    2,120,699,441,878/3,181,049,204,854.70 = 509,033,322,920.40/x
  3. Step 3: Cross multiply
    2,120,699,441,878x = 3,181,049,204,854.70 × 509,033,322,920.40
  4. Step 4: Simplify right side
    2,120,699,441,878x = 1,619,260,047,120,484,303,634,432
  5. Step 5: Solve for x
    x = 1,619,260,047,120,484,303,634,432/2,120,699,441,878
  6. Step 6: Final answer
    x = 763,549,994,470.95

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.