Home / 1,519,072,427.54-2,278,595,841.08-1,187,358,455.52

Finding the Fourth Proportional to 1,519,072,427.54, 2,278,595,841.08 and 1,187,358,455.52

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Solution

The fourth proportional to 1,519,072,427.54, 2,278,595,841.08 and 1,187,358,455.52 is: 1,781,027,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,072,427.54 : 2,278,595,841.08 = 1,187,358,455.52 : x
  2. Step 2: Convert to fraction form
    1,519,072,427.54/2,278,595,841.08 = 1,187,358,455.52/x
  3. Step 3: Cross multiply
    1,519,072,427.54x = 2,278,595,841.08 × 1,187,358,455.52
  4. Step 4: Simplify right side
    1,519,072,427.54x = 2,705,510,038,613,107,200
  5. Step 5: Solve for x
    x = 2,705,510,038,613,107,200/1,519,072,427.54
  6. Step 6: Final answer
    x = 1,781,027,678.19

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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.