Home / 380,120,619,161.82-524,611,424,926.80-225,796,908,389.34

Finding the Fourth Proportional to 380,120,619,161.82, 524,611,424,926.80 and 225,796,908,389.34

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Solution

The fourth proportional to 380,120,619,161.82, 524,611,424,926.80 and 225,796,908,389.34 is: 311,626,446,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,120,619,161.82 : 524,611,424,926.80 = 225,796,908,389.34 : x
  2. Step 2: Convert to fraction form
    380,120,619,161.82/524,611,424,926.80 = 225,796,908,389.34/x
  3. Step 3: Cross multiply
    380,120,619,161.82x = 524,611,424,926.80 × 225,796,908,389.34
  4. Step 4: Simplify right side
    380,120,619,161.82x = 118,455,637,854,197,769,043,968
  5. Step 5: Solve for x
    x = 118,455,637,854,197,769,043,968/380,120,619,161.82
  6. Step 6: Final answer
    x = 311,626,446,666.84

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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.