Home / 1,618,181,281.40-2,428,405,662.90-1,037,328,078.20

Finding the Fourth Proportional to 1,618,181,281.40, 2,428,405,662.90 and 1,037,328,078.20

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Solution

The fourth proportional to 1,618,181,281.40, 2,428,405,662.90 and 1,037,328,078.20 is: 1,556,718,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,181,281.40 : 2,428,405,662.90 = 1,037,328,078.20 : x
  2. Step 2: Convert to fraction form
    1,618,181,281.40/2,428,405,662.90 = 1,037,328,078.20/x
  3. Step 3: Cross multiply
    1,618,181,281.40x = 2,428,405,662.90 × 1,037,328,078.20
  4. Step 4: Simplify right side
    1,618,181,281.40x = 2,519,053,379,386,054,144
  5. Step 5: Solve for x
    x = 2,519,053,379,386,054,144/1,618,181,281.40
  6. Step 6: Final answer
    x = 1,556,718,896.91

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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.