Home / 1,972,476,526.23-2,722,288,414.59-1,209,385,607.67

Finding the Fourth Proportional to 1,972,476,526.23, 2,722,288,414.59 and 1,209,385,607.67

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Solution

The fourth proportional to 1,972,476,526.23, 2,722,288,414.59 and 1,209,385,607.67 is: 1,669,118,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,476,526.23 : 2,722,288,414.59 = 1,209,385,607.67 : x
  2. Step 2: Convert to fraction form
    1,972,476,526.23/2,722,288,414.59 = 1,209,385,607.67/x
  3. Step 3: Cross multiply
    1,972,476,526.23x = 2,722,288,414.59 × 1,209,385,607.67
  4. Step 4: Simplify right side
    1,972,476,526.23x = 3,292,296,428,531,928,576
  5. Step 5: Solve for x
    x = 3,292,296,428,531,928,576/1,972,476,526.23
  6. Step 6: Final answer
    x = 1,669,118,179.48

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1.5x scale

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.