Home / 1,990,657,905.60-2,985,986,858.40-1,797,166,142.40

Finding the Fourth Proportional to 1,990,657,905.60, 2,985,986,858.40 and 1,797,166,142.40

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Solution

The fourth proportional to 1,990,657,905.60, 2,985,986,858.40 and 1,797,166,142.40 is: 2,695,749,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,905.60 : 2,985,986,858.40 = 1,797,166,142.40 : x
  2. Step 2: Convert to fraction form
    1,990,657,905.60/2,985,986,858.40 = 1,797,166,142.40/x
  3. Step 3: Cross multiply
    1,990,657,905.60x = 2,985,986,858.40 × 1,797,166,142.40
  4. Step 4: Simplify right side
    1,990,657,905.60x = 5,366,314,483,567,823,872
  5. Step 5: Solve for x
    x = 5,366,314,483,567,823,872/1,990,657,905.60
  6. Step 6: Final answer
    x = 2,695,749,213.60

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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.