Home / 1,403,444,078.03-1,936,768,133.19-776,922,968.72

Finding the Fourth Proportional to 1,403,444,078.03, 1,936,768,133.19 and 776,922,968.72

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Solution

The fourth proportional to 1,403,444,078.03, 1,936,768,133.19 and 776,922,968.72 is: 1,072,162,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,444,078.03 : 1,936,768,133.19 = 776,922,968.72 : x
  2. Step 2: Convert to fraction form
    1,403,444,078.03/1,936,768,133.19 = 776,922,968.72/x
  3. Step 3: Cross multiply
    1,403,444,078.03x = 1,936,768,133.19 × 776,922,968.72
  4. Step 4: Simplify right side
    1,403,444,078.03x = 1,504,719,647,750,583,552
  5. Step 5: Solve for x
    x = 1,504,719,647,750,583,552/1,403,444,078.03
  6. Step 6: Final answer
    x = 1,072,162,169.70

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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.