Home / 3,072,049,145.19-4,239,435,189.68-1,662,368,234.76

Finding the Fourth Proportional to 3,072,049,145.19, 4,239,435,189.68 and 1,662,368,234.76

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Solution

The fourth proportional to 3,072,049,145.19, 4,239,435,189.68 and 1,662,368,234.76 is: 2,294,072,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,049,145.19 : 4,239,435,189.68 = 1,662,368,234.76 : x
  2. Step 2: Convert to fraction form
    3,072,049,145.19/4,239,435,189.68 = 1,662,368,234.76/x
  3. Step 3: Cross multiply
    3,072,049,145.19x = 4,239,435,189.68 × 1,662,368,234.76
  4. Step 4: Simplify right side
    3,072,049,145.19x = 7,047,502,392,647,767,040
  5. Step 5: Solve for x
    x = 7,047,502,392,647,767,040/3,072,049,145.19
  6. Step 6: Final answer
    x = 2,294,072,151.70

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Double scale
Find fourth proportional to 3,072,049,146.19, 4,239,435,191.06 and 1,662,368,235.76
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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.