Home / 1,608,709,858.85-2,413,020,181.50-428,300,465.39

Finding the Fourth Proportional to 1,608,709,858.85, 2,413,020,181.50 and 428,300,465.39

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Solution

The fourth proportional to 1,608,709,858.85, 2,413,020,181.50 and 428,300,465.39 is: 642,438,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,709,858.85 : 2,413,020,181.50 = 428,300,465.39 : x
  2. Step 2: Convert to fraction form
    1,608,709,858.85/2,413,020,181.50 = 428,300,465.39/x
  3. Step 3: Cross multiply
    1,608,709,858.85x = 2,413,020,181.50 × 428,300,465.39
  4. Step 4: Simplify right side
    1,608,709,858.85x = 1,033,497,666,719,847,168
  5. Step 5: Solve for x
    x = 1,033,497,666,719,847,168/1,608,709,858.85
  6. Step 6: Final answer
    x = 642,438,822.04

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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.