Home / 211,748,256,945.40-317,622,385,418.10-188,606,339,735.80

Finding the Fourth Proportional to 211,748,256,945.40, 317,622,385,418.10 and 188,606,339,735.80

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Solution

The fourth proportional to 211,748,256,945.40, 317,622,385,418.10 and 188,606,339,735.80 is: 282,909,509,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,748,256,945.40 : 317,622,385,418.10 = 188,606,339,735.80 : x
  2. Step 2: Convert to fraction form
    211,748,256,945.40/317,622,385,418.10 = 188,606,339,735.80/x
  3. Step 3: Cross multiply
    211,748,256,945.40x = 317,622,385,418.10 × 188,606,339,735.80
  4. Step 4: Simplify right side
    211,748,256,945.40x = 59,905,595,531,861,365,358,592
  5. Step 5: Solve for x
    x = 59,905,595,531,861,365,358,592/211,748,256,945.40
  6. Step 6: Final answer
    x = 282,909,509,603.70

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1.5x scale

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.