Home / 299,592,237,925.21-449,340,520,095.51-87,306,714,512.98

Finding the Fourth Proportional to 299,592,237,925.21, 449,340,520,095.51 and 87,306,714,512.98

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Solution

The fourth proportional to 299,592,237,925.21, 449,340,520,095.51 and 87,306,714,512.98 is: 130,946,131,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592,237,925.21 : 449,340,520,095.51 = 87,306,714,512.98 : x
  2. Step 2: Convert to fraction form
    299,592,237,925.21/449,340,520,095.51 = 87,306,714,512.98/x
  3. Step 3: Cross multiply
    299,592,237,925.21x = 449,340,520,095.51 × 87,306,714,512.98
  4. Step 4: Simplify right side
    299,592,237,925.21x = 39,230,444,507,092,645,576,704
  5. Step 5: Solve for x
    x = 39,230,444,507,092,645,576,704/299,592,237,925.21
  6. Step 6: Final answer
    x = 130,946,131,244.18

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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.