Home / 640,446,678.44-960,747,756.06-180,384,848.36

Finding the Fourth Proportional to 640,446,678.44, 960,747,756.06 and 180,384,848.36

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Solution

The fourth proportional to 640,446,678.44, 960,747,756.06 and 180,384,848.36 is: 270,599,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,446,678.44 : 960,747,756.06 = 180,384,848.36 : x
  2. Step 2: Convert to fraction form
    640,446,678.44/960,747,756.06 = 180,384,848.36/x
  3. Step 3: Cross multiply
    640,446,678.44x = 960,747,756.06 × 180,384,848.36
  4. Step 4: Simplify right side
    640,446,678.44x = 173,304,338,289,093,376
  5. Step 5: Solve for x
    x = 173,304,338,289,093,376/640,446,678.44
  6. Step 6: Final answer
    x = 270,599,167.93

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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.