Home / 18,686,360,532.28-25,787,338,321.56-10,658,107,550.20

Finding the Fourth Proportional to 18,686,360,532.28, 25,787,338,321.56 and 10,658,107,550.20

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Solution

The fourth proportional to 18,686,360,532.28, 25,787,338,321.56 and 10,658,107,550.20 is: 14,708,280,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,360,532.28 : 25,787,338,321.56 = 10,658,107,550.20 : x
  2. Step 2: Convert to fraction form
    18,686,360,532.28/25,787,338,321.56 = 10,658,107,550.20/x
  3. Step 3: Cross multiply
    18,686,360,532.28x = 25,787,338,321.56 × 10,658,107,550.20
  4. Step 4: Simplify right side
    18,686,360,532.28x = 274,844,225,264,580,460,544
  5. Step 5: Solve for x
    x = 274,844,225,264,580,460,544/18,686,360,532.28
  6. Step 6: Final answer
    x = 14,708,280,127.09

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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.