Home / 2,112,229,148.60-3,168,343,722.90-1,930,681,321.40

Finding the Fourth Proportional to 2,112,229,148.60, 3,168,343,722.90 and 1,930,681,321.40

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Solution

The fourth proportional to 2,112,229,148.60, 3,168,343,722.90 and 1,930,681,321.40 is: 2,896,021,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,229,148.60 : 3,168,343,722.90 = 1,930,681,321.40 : x
  2. Step 2: Convert to fraction form
    2,112,229,148.60/3,168,343,722.90 = 1,930,681,321.40/x
  3. Step 3: Cross multiply
    2,112,229,148.60x = 3,168,343,722.90 × 1,930,681,321.40
  4. Step 4: Simplify right side
    2,112,229,148.60x = 6,117,062,045,577,967,616
  5. Step 5: Solve for x
    x = 6,117,062,045,577,967,616/2,112,229,148.60
  6. Step 6: Final answer
    x = 2,896,021,982.10

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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.