Home / 651,690,247.38-899,326,218.68-354,332,485.50

Finding the Fourth Proportional to 651,690,247.38, 899,326,218.68 and 354,332,485.50

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Solution

The fourth proportional to 651,690,247.38, 899,326,218.68 and 354,332,485.50 is: 488,975,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,690,247.38 : 899,326,218.68 = 354,332,485.50 : x
  2. Step 2: Convert to fraction form
    651,690,247.38/899,326,218.68 = 354,332,485.50/x
  3. Step 3: Cross multiply
    651,690,247.38x = 899,326,218.68 × 354,332,485.50
  4. Step 4: Simplify right side
    651,690,247.38x = 318,660,494,340,200,896
  5. Step 5: Solve for x
    x = 318,660,494,340,200,896/651,690,247.38
  6. Step 6: Final answer
    x = 488,975,392.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.