Home / 562,815,502.52-776,685,467.07-311,936,091.53

Finding the Fourth Proportional to 562,815,502.52, 776,685,467.07 and 311,936,091.53

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Solution

The fourth proportional to 562,815,502.52, 776,685,467.07 and 311,936,091.53 is: 430,471,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,502.52 : 776,685,467.07 = 311,936,091.53 : x
  2. Step 2: Convert to fraction form
    562,815,502.52/776,685,467.07 = 311,936,091.53/x
  3. Step 3: Cross multiply
    562,815,502.52x = 776,685,467.07 × 311,936,091.53
  4. Step 4: Simplify right side
    562,815,502.52x = 242,276,228,942,084,896
  5. Step 5: Solve for x
    x = 242,276,228,942,084,896/562,815,502.52
  6. Step 6: Final answer
    x = 430,471,847.10

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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.