Home / 891,507,915.72-1,337,260,091.58-236,524,594.68

Finding the Fourth Proportional to 891,507,915.72, 1,337,260,091.58 and 236,524,594.68

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Solution

The fourth proportional to 891,507,915.72, 1,337,260,091.58 and 236,524,594.68 is: 354,786,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,507,915.72 : 1,337,260,091.58 = 236,524,594.68 : x
  2. Step 2: Convert to fraction form
    891,507,915.72/1,337,260,091.58 = 236,524,594.68/x
  3. Step 3: Cross multiply
    891,507,915.72x = 1,337,260,091.58 × 236,524,594.68
  4. Step 4: Simplify right side
    891,507,915.72x = 316,294,901,142,699,200
  5. Step 5: Solve for x
    x = 316,294,901,142,699,200/891,507,915.72
  6. Step 6: Final answer
    x = 354,786,419.24

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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.