Home / 1,403,444,079.03-1,936,768,134.57-776,922,969.72

Finding the Fourth Proportional to 1,403,444,079.03, 1,936,768,134.57 and 776,922,969.72

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Solution

The fourth proportional to 1,403,444,079.03, 1,936,768,134.57 and 776,922,969.72 is: 1,072,162,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,444,079.03 : 1,936,768,134.57 = 776,922,969.72 : x
  2. Step 2: Convert to fraction form
    1,403,444,079.03/1,936,768,134.57 = 776,922,969.72/x
  3. Step 3: Cross multiply
    1,403,444,079.03x = 1,936,768,134.57 × 776,922,969.72
  4. Step 4: Simplify right side
    1,403,444,079.03x = 1,504,719,650,769,189,120
  5. Step 5: Solve for x
    x = 1,504,719,650,769,189,120/1,403,444,079.03
  6. Step 6: Final answer
    x = 1,072,162,171.09

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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.