Home / 1,403,444,029.95-1,936,768,066.83-776,922,920.64

Finding the Fourth Proportional to 1,403,444,029.95, 1,936,768,066.83 and 776,922,920.64

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Solution

The fourth proportional to 1,403,444,029.95, 1,936,768,066.83 and 776,922,920.64 is: 1,072,162,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,444,029.95 : 1,936,768,066.83 = 776,922,920.64 : x
  2. Step 2: Convert to fraction form
    1,403,444,029.95/1,936,768,066.83 = 776,922,920.64/x
  3. Step 3: Cross multiply
    1,403,444,029.95x = 1,936,768,066.83 × 776,922,920.64
  4. Step 4: Simplify right side
    1,403,444,029.95x = 1,504,719,503,083,850,240
  5. Step 5: Solve for x
    x = 1,504,719,503,083,850,240/1,403,444,029.95
  6. Step 6: Final answer
    x = 1,072,162,103.35

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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.