Home / 289,419,322.10-434,128,983.15-174,628,066.10

Finding the Fourth Proportional to 289,419,322.10, 434,128,983.15 and 174,628,066.10

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Solution

The fourth proportional to 289,419,322.10, 434,128,983.15 and 174,628,066.10 is: 261,942,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,419,322.10 : 434,128,983.15 = 174,628,066.10 : x
  2. Step 2: Convert to fraction form
    289,419,322.10/434,128,983.15 = 174,628,066.10/x
  3. Step 3: Cross multiply
    289,419,322.10x = 434,128,983.15 × 174,628,066.10
  4. Step 4: Simplify right side
    289,419,322.10x = 75,811,104,765,443,984
  5. Step 5: Solve for x
    x = 75,811,104,765,443,984/289,419,322.10
  6. Step 6: Final answer
    x = 261,942,099.15

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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.