Home / 642,081,859,250.76-963,100,975,869.38-164,555,846,307.72

Finding the Fourth Proportional to 642,081,859,250.76, 963,100,975,869.38 and 164,555,846,307.72

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Solution

The fourth proportional to 642,081,859,250.76, 963,100,975,869.38 and 164,555,846,307.72 is: 246,828,179,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,081,859,250.76 : 963,100,975,869.38 = 164,555,846,307.72 : x
  2. Step 2: Convert to fraction form
    642,081,859,250.76/963,100,975,869.38 = 164,555,846,307.72/x
  3. Step 3: Cross multiply
    642,081,859,250.76x = 963,100,975,869.38 × 164,555,846,307.72
  4. Step 4: Simplify right side
    642,081,859,250.76x = 158,483,896,163,976,832,090,112
  5. Step 5: Solve for x
    x = 158,483,896,163,976,832,090,112/642,081,859,250.76
  6. Step 6: Final answer
    x = 246,828,179,118.64

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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.