Home / 449,901,009.64-620,910,154.02-259,168,607.56

Finding the Fourth Proportional to 449,901,009.64, 620,910,154.02 and 259,168,607.56

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Solution

The fourth proportional to 449,901,009.64, 620,910,154.02 and 259,168,607.56 is: 357,679,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,901,009.64 : 620,910,154.02 = 259,168,607.56 : x
  2. Step 2: Convert to fraction form
    449,901,009.64/620,910,154.02 = 259,168,607.56/x
  3. Step 3: Cross multiply
    449,901,009.64x = 620,910,154.02 × 259,168,607.56
  4. Step 4: Simplify right side
    449,901,009.64x = 160,920,420,037,228,544
  5. Step 5: Solve for x
    x = 160,920,420,037,228,544/449,901,009.64
  6. Step 6: Final answer
    x = 357,679,615.27

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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.