Home / 965,985,845.80-1,448,270,180.70-383,432,031.40

Finding the Fourth Proportional to 965,985,845.80, 1,448,270,180.70 and 383,432,031.40

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Solution

The fourth proportional to 965,985,845.80, 1,448,270,180.70 and 383,432,031.40 is: 574,866,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,985,845.80 : 1,448,270,180.70 = 383,432,031.40 : x
  2. Step 2: Convert to fraction form
    965,985,845.80/1,448,270,180.70 = 383,432,031.40/x
  3. Step 3: Cross multiply
    965,985,845.80x = 1,448,270,180.70 × 383,432,031.40
  4. Step 4: Simplify right side
    965,985,845.80x = 555,313,177,401,846,080
  5. Step 5: Solve for x
    x = 555,313,177,401,846,080/965,985,845.80
  6. Step 6: Final answer
    x = 574,866,784.87

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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.