Home / 404,670,041.28-558,446,338.44-219,031,056.72

Finding the Fourth Proportional to 404,670,041.28, 558,446,338.44 and 219,031,056.72

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Solution

The fourth proportional to 404,670,041.28, 558,446,338.44 and 219,031,056.72 is: 302,263,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,670,041.28 : 558,446,338.44 = 219,031,056.72 : x
  2. Step 2: Convert to fraction form
    404,670,041.28/558,446,338.44 = 219,031,056.72/x
  3. Step 3: Cross multiply
    404,670,041.28x = 558,446,338.44 × 219,031,056.72
  4. Step 4: Simplify right side
    404,670,041.28x = 122,317,091,629,927,968
  5. Step 5: Solve for x
    x = 122,317,091,629,927,968/404,670,041.28
  6. Step 6: Final answer
    x = 302,263,768.39

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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.