Home / 459,651,285.60-689,476,928.40-368,952,021.60

Finding the Fourth Proportional to 459,651,285.60, 689,476,928.40 and 368,952,021.60

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Solution

The fourth proportional to 459,651,285.60, 689,476,928.40 and 368,952,021.60 is: 553,428,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,651,285.60 : 689,476,928.40 = 368,952,021.60 : x
  2. Step 2: Convert to fraction form
    459,651,285.60/689,476,928.40 = 368,952,021.60/x
  3. Step 3: Cross multiply
    459,651,285.60x = 689,476,928.40 × 368,952,021.60
  4. Step 4: Simplify right side
    459,651,285.60x = 254,383,906,579,738,464
  5. Step 5: Solve for x
    x = 254,383,906,579,738,464/459,651,285.60
  6. Step 6: Final answer
    x = 553,428,032.40

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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.