Home / 455,920,342.32-629,170,610.40-247,076,483.76

Finding the Fourth Proportional to 455,920,342.32, 629,170,610.40 and 247,076,483.76

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Solution

The fourth proportional to 455,920,342.32, 629,170,610.40 and 247,076,483.76 is: 340,965,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,920,342.32 : 629,170,610.40 = 247,076,483.76 : x
  2. Step 2: Convert to fraction form
    455,920,342.32/629,170,610.40 = 247,076,483.76/x
  3. Step 3: Cross multiply
    455,920,342.32x = 629,170,610.40 × 247,076,483.76
  4. Step 4: Simplify right side
    455,920,342.32x = 155,453,262,102,764,864
  5. Step 5: Solve for x
    x = 155,453,262,102,764,864/455,920,342.32
  6. Step 6: Final answer
    x = 340,965,839.15

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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.