Home / 211,748,256,938.40-317,622,385,407.60-188,606,339,728.80

Finding the Fourth Proportional to 211,748,256,938.40, 317,622,385,407.60 and 188,606,339,728.80

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Solution

The fourth proportional to 211,748,256,938.40, 317,622,385,407.60 and 188,606,339,728.80 is: 282,909,509,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,748,256,938.40 : 317,622,385,407.60 = 188,606,339,728.80 : x
  2. Step 2: Convert to fraction form
    211,748,256,938.40/317,622,385,407.60 = 188,606,339,728.80/x
  3. Step 3: Cross multiply
    211,748,256,938.40x = 317,622,385,407.60 × 188,606,339,728.80
  4. Step 4: Simplify right side
    211,748,256,938.40x = 59,905,595,527,657,640,951,808
  5. Step 5: Solve for x
    x = 59,905,595,527,657,640,951,808/211,748,256,938.40
  6. Step 6: Final answer
    x = 282,909,509,593.20

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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.