Home / 2,021,128,927.10-3,031,409,955.45-641,082,938.30

Finding the Fourth Proportional to 2,021,128,927.10, 3,031,409,955.45 and 641,082,938.30

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Solution

The fourth proportional to 2,021,128,927.10, 3,031,409,955.45 and 641,082,938.30 is: 961,534,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,128,927.10 : 3,031,409,955.45 = 641,082,938.30 : x
  2. Step 2: Convert to fraction form
    2,021,128,927.10/3,031,409,955.45 = 641,082,938.30/x
  3. Step 3: Cross multiply
    2,021,128,927.10x = 3,031,409,955.45 × 641,082,938.30
  4. Step 4: Simplify right side
    2,021,128,927.10x = 1,943,385,201,431,757,824
  5. Step 5: Solve for x
    x = 1,943,385,201,431,757,824/2,021,128,927.10
  6. Step 6: Final answer
    x = 961,534,504.49

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Double scale
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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.