Home / 646,953,846.53-969,443,289.07-384,120,826.02

Finding the Fourth Proportional to 646,953,846.53, 969,443,289.07 and 384,120,826.02

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Solution

The fourth proportional to 646,953,846.53, 969,443,289.07 and 384,120,826.02 is: 575,594,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,953,846.53 : 969,443,289.07 = 384,120,826.02 : x
  2. Step 2: Convert to fraction form
    646,953,846.53/969,443,289.07 = 384,120,826.02/x
  3. Step 3: Cross multiply
    646,953,846.53x = 969,443,289.07 × 384,120,826.02
  4. Step 4: Simplify right side
    646,953,846.53x = 372,383,356,976,153,728
  5. Step 5: Solve for x
    x = 372,383,356,976,153,728/646,953,846.53
  6. Step 6: Final answer
    x = 575,594,934.59

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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.