Home / 18,686,360,591.37-25,787,338,403.31-10,658,107,609.29

Finding the Fourth Proportional to 18,686,360,591.37, 25,787,338,403.31 and 10,658,107,609.29

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Solution

The fourth proportional to 18,686,360,591.37, 25,787,338,403.31 and 10,658,107,609.29 is: 14,708,280,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,360,591.37 : 25,787,338,403.31 = 10,658,107,609.29 : x
  2. Step 2: Convert to fraction form
    18,686,360,591.37/25,787,338,403.31 = 10,658,107,609.29/x
  3. Step 3: Cross multiply
    18,686,360,591.37x = 25,787,338,403.31 × 10,658,107,609.29
  4. Step 4: Simplify right side
    18,686,360,591.37x = 274,844,227,659,654,594,560
  5. Step 5: Solve for x
    x = 274,844,227,659,654,594,560/18,686,360,591.37
  6. Step 6: Final answer
    x = 14,708,280,208.75

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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.