Home / 1,635,507,932.40-2,453,261,898.60-990,535,388.40

Finding the Fourth Proportional to 1,635,507,932.40, 2,453,261,898.60 and 990,535,388.40

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Solution

The fourth proportional to 1,635,507,932.40, 2,453,261,898.60 and 990,535,388.40 is: 1,485,803,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,507,932.40 : 2,453,261,898.60 = 990,535,388.40 : x
  2. Step 2: Convert to fraction form
    1,635,507,932.40/2,453,261,898.60 = 990,535,388.40/x
  3. Step 3: Cross multiply
    1,635,507,932.40x = 2,453,261,898.60 × 990,535,388.40
  4. Step 4: Simplify right side
    1,635,507,932.40x = 2,430,042,727,576,672,256
  5. Step 5: Solve for x
    x = 2,430,042,727,576,672,256/1,635,507,932.40
  6. Step 6: Final answer
    x = 1,485,803,082.60

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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.