Home / 562,815,456.30-776,685,403.34-311,936,045.37

Finding the Fourth Proportional to 562,815,456.30, 776,685,403.34 and 311,936,045.37

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Solution

The fourth proportional to 562,815,456.30, 776,685,403.34 and 311,936,045.37 is: 430,471,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,456.30 : 776,685,403.34 = 311,936,045.37 : x
  2. Step 2: Convert to fraction form
    562,815,456.30/776,685,403.34 = 311,936,045.37/x
  3. Step 3: Cross multiply
    562,815,456.30x = 776,685,403.34 × 311,936,045.37
  4. Step 4: Simplify right side
    562,815,456.30x = 242,276,173,212,923,328
  5. Step 5: Solve for x
    x = 242,276,173,212,923,328/562,815,456.30
  6. Step 6: Final answer
    x = 430,471,783.43

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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.