Home / 1,295,136,096.40-1,942,704,144.60-325,787,712.40

Finding the Fourth Proportional to 1,295,136,096.40, 1,942,704,144.60 and 325,787,712.40

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Solution

The fourth proportional to 1,295,136,096.40, 1,942,704,144.60 and 325,787,712.40 is: 488,681,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,136,096.40 : 1,942,704,144.60 = 325,787,712.40 : x
  2. Step 2: Convert to fraction form
    1,295,136,096.40/1,942,704,144.60 = 325,787,712.40/x
  3. Step 3: Cross multiply
    1,295,136,096.40x = 1,942,704,144.60 × 325,787,712.40
  4. Step 4: Simplify right side
    1,295,136,096.40x = 632,909,139,139,232,768
  5. Step 5: Solve for x
    x = 632,909,139,139,232,768/1,295,136,096.40
  6. Step 6: Final answer
    x = 488,681,568.60

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Half scale
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Double scale
Find fourth proportional to 1,295,136,097.40, 1,942,704,146.10 and 325,787,713.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.