Home / 405,112,714.05-559,056,112.67-219,473,729.74

Finding the Fourth Proportional to 405,112,714.05, 559,056,112.67 and 219,473,729.74

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Solution

The fourth proportional to 405,112,714.05, 559,056,112.67 and 219,473,729.74 is: 302,874,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,112,714.05 : 559,056,112.67 = 219,473,729.74 : x
  2. Step 2: Convert to fraction form
    405,112,714.05/559,056,112.67 = 219,473,729.74/x
  3. Step 3: Cross multiply
    405,112,714.05x = 559,056,112.67 × 219,473,729.74
  4. Step 4: Simplify right side
    405,112,714.05x = 122,698,130,178,497,152
  5. Step 5: Solve for x
    x = 122,698,130,178,497,152/405,112,714.05
  6. Step 6: Final answer
    x = 302,874,054.36

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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.