Home / 457,397,593,147.44-686,071,560,714.96-139,018,968,985.80

Finding the Fourth Proportional to 457,397,593,147.44, 686,071,560,714.96 and 139,018,968,985.80

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Solution

The fourth proportional to 457,397,593,147.44, 686,071,560,714.96 and 139,018,968,985.80 is: 208,520,907,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,397,593,147.44 : 686,071,560,714.96 = 139,018,968,985.80 : x
  2. Step 2: Convert to fraction form
    457,397,593,147.44/686,071,560,714.96 = 139,018,968,985.80/x
  3. Step 3: Cross multiply
    457,397,593,147.44x = 686,071,560,714.96 × 139,018,968,985.80
  4. Step 4: Simplify right side
    457,397,593,147.44x = 95,376,961,021,072,411,459,584
  5. Step 5: Solve for x
    x = 95,376,961,021,072,411,459,584/457,397,593,147.44
  6. Step 6: Final answer
    x = 208,520,907,083.85

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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.