Home / 448,438,517,142.84-672,698,647,677.80-146,173,535,890.20

Finding the Fourth Proportional to 448,438,517,142.84, 672,698,647,677.80 and 146,173,535,890.20

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Solution

The fourth proportional to 448,438,517,142.84, 672,698,647,677.80 and 146,173,535,890.20 is: 219,273,626,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,438,517,142.84 : 672,698,647,677.80 = 146,173,535,890.20 : x
  2. Step 2: Convert to fraction form
    448,438,517,142.84/672,698,647,677.80 = 146,173,535,890.20/x
  3. Step 3: Cross multiply
    448,438,517,142.84x = 672,698,647,677.80 × 146,173,535,890.20
  4. Step 4: Simplify right side
    448,438,517,142.84x = 98,330,739,919,619,922,853,888
  5. Step 5: Solve for x
    x = 98,330,739,919,619,922,853,888/448,438,517,142.84
  6. Step 6: Final answer
    x = 219,273,626,507.64

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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.