Home / 7,203,480,431.10-9,941,113,678.68-3,988,390,393.50

Finding the Fourth Proportional to 7,203,480,431.10, 9,941,113,678.68 and 3,988,390,393.50

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Solution

The fourth proportional to 7,203,480,431.10, 9,941,113,678.68 and 3,988,390,393.50 is: 5,504,150,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203,480,431.10 : 9,941,113,678.68 = 3,988,390,393.50 : x
  2. Step 2: Convert to fraction form
    7,203,480,431.10/9,941,113,678.68 = 3,988,390,393.50/x
  3. Step 3: Cross multiply
    7,203,480,431.10x = 9,941,113,678.68 × 3,988,390,393.50
  4. Step 4: Simplify right side
    7,203,480,431.10x = 39,649,042,296,738,758,656
  5. Step 5: Solve for x
    x = 39,649,042,296,738,758,656/7,203,480,431.10
  6. Step 6: Final answer
    x = 5,504,150,761.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.