Home / 543,708,341.72-815,968,677.48-368,415,738.68

Finding the Fourth Proportional to 543,708,341.72, 815,968,677.48 and 368,415,738.68

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Solution

The fourth proportional to 543,708,341.72, 815,968,677.48 and 368,415,738.68 is: 552,898,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,708,341.72 : 815,968,677.48 = 368,415,738.68 : x
  2. Step 2: Convert to fraction form
    543,708,341.72/815,968,677.48 = 368,415,738.68/x
  3. Step 3: Cross multiply
    543,708,341.72x = 815,968,677.48 × 368,415,738.68
  4. Step 4: Simplify right side
    543,708,341.72x = 300,615,703,053,536,896
  5. Step 5: Solve for x
    x = 300,615,703,053,536,896/543,708,341.72
  6. Step 6: Final answer
    x = 552,898,824.58

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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.