Home / 1,620,921,864,893.40-2,431,297,165,533.90-531,675,381,094.54

Finding the Fourth Proportional to 1,620,921,864,893.40, 2,431,297,165,533.90 and 531,675,381,094.54

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Solution

The fourth proportional to 1,620,921,864,893.40, 2,431,297,165,533.90 and 531,675,381,094.54 is: 797,484,983,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,921,864,893.40 : 2,431,297,165,533.90 = 531,675,381,094.54 : x
  2. Step 2: Convert to fraction form
    1,620,921,864,893.40/2,431,297,165,533.90 = 531,675,381,094.54/x
  3. Step 3: Cross multiply
    1,620,921,864,893.40x = 2,431,297,165,533.90 × 531,675,381,094.54
  4. Step 4: Simplify right side
    1,620,921,864,893.40x = 1,292,660,847,039,311,129,870,336
  5. Step 5: Solve for x
    x = 1,292,660,847,039,311,129,870,336/1,620,921,864,893.40
  6. Step 6: Final answer
    x = 797,484,983,722.10

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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.