Home / 1,190,568,999.69-1,643,077,150.02-714,277,228.77

Finding the Fourth Proportional to 1,190,568,999.69, 1,643,077,150.02 and 714,277,228.77

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Solution

The fourth proportional to 1,190,568,999.69, 1,643,077,150.02 and 714,277,228.77 is: 985,757,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,568,999.69 : 1,643,077,150.02 = 714,277,228.77 : x
  2. Step 2: Convert to fraction form
    1,190,568,999.69/1,643,077,150.02 = 714,277,228.77/x
  3. Step 3: Cross multiply
    1,190,568,999.69x = 1,643,077,150.02 × 714,277,228.77
  4. Step 4: Simplify right side
    1,190,568,999.69x = 1,173,612,593,371,595,008
  5. Step 5: Solve for x
    x = 1,173,612,593,371,595,008/1,190,568,999.69
  6. Step 6: Final answer
    x = 985,757,729.02

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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.