Home / 25,902,828,015.80-38,854,242,023.70-21,718,686,734.60

Finding the Fourth Proportional to 25,902,828,015.80, 38,854,242,023.70 and 21,718,686,734.60

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Solution

The fourth proportional to 25,902,828,015.80, 38,854,242,023.70 and 21,718,686,734.60 is: 32,578,030,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902,828,015.80 : 38,854,242,023.70 = 21,718,686,734.60 : x
  2. Step 2: Convert to fraction form
    25,902,828,015.80/38,854,242,023.70 = 21,718,686,734.60/x
  3. Step 3: Cross multiply
    25,902,828,015.80x = 38,854,242,023.70 × 21,718,686,734.60
  4. Step 4: Simplify right side
    25,902,828,015.80x = 843,863,110,823,070,924,800
  5. Step 5: Solve for x
    x = 843,863,110,823,070,924,800/25,902,828,015.80
  6. Step 6: Final answer
    x = 32,578,030,101.90

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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.