Home / 3,985,995,622.40-5,978,993,433.60-1,038,269,542.40

Finding the Fourth Proportional to 3,985,995,622.40, 5,978,993,433.60 and 1,038,269,542.40

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Solution

The fourth proportional to 3,985,995,622.40, 5,978,993,433.60 and 1,038,269,542.40 is: 1,557,404,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,995,622.40 : 5,978,993,433.60 = 1,038,269,542.40 : x
  2. Step 2: Convert to fraction form
    3,985,995,622.40/5,978,993,433.60 = 1,038,269,542.40/x
  3. Step 3: Cross multiply
    3,985,995,622.40x = 5,978,993,433.60 × 1,038,269,542.40
  4. Step 4: Simplify right side
    3,985,995,622.40x = 6,207,806,776,316,477,440
  5. Step 5: Solve for x
    x = 6,207,806,776,316,477,440/3,985,995,622.40
  6. Step 6: Final answer
    x = 1,557,404,313.60

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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.