Home / 2,105,315,999.70-3,157,973,999.55-552,764,262.30

Finding the Fourth Proportional to 2,105,315,999.70, 3,157,973,999.55 and 552,764,262.30

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Solution

The fourth proportional to 2,105,315,999.70, 3,157,973,999.55 and 552,764,262.30 is: 829,146,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,315,999.70 : 3,157,973,999.55 = 552,764,262.30 : x
  2. Step 2: Convert to fraction form
    2,105,315,999.70/3,157,973,999.55 = 552,764,262.30/x
  3. Step 3: Cross multiply
    2,105,315,999.70x = 3,157,973,999.55 × 552,764,262.30
  4. Step 4: Simplify right side
    2,105,315,999.70x = 1,745,615,168,223,836,160
  5. Step 5: Solve for x
    x = 1,745,615,168,223,836,160/2,105,315,999.70
  6. Step 6: Final answer
    x = 829,146,393.45

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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.