Home / 3,985,483,173.36-5,978,795,311.08-1,225,343,969.52

Finding the Fourth Proportional to 3,985,483,173.36, 5,978,795,311.08 and 1,225,343,969.52

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Solution

The fourth proportional to 3,985,483,173.36, 5,978,795,311.08 and 1,225,343,969.52 is: 1,838,191,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,483,173.36 : 5,978,795,311.08 = 1,225,343,969.52 : x
  2. Step 2: Convert to fraction form
    3,985,483,173.36/5,978,795,311.08 = 1,225,343,969.52/x
  3. Step 3: Cross multiply
    3,985,483,173.36x = 5,978,795,311.08 × 1,225,343,969.52
  4. Step 4: Simplify right side
    3,985,483,173.36x = 7,326,080,779,426,330,624
  5. Step 5: Solve for x
    x = 7,326,080,779,426,330,624/3,985,483,173.36
  6. Step 6: Final answer
    x = 1,838,191,371.22

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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.