Home / 409,883,168.81-614,824,729.86-114,821,973.81

Finding the Fourth Proportional to 409,883,168.81, 614,824,729.86 and 114,821,973.81

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Solution

The fourth proportional to 409,883,168.81, 614,824,729.86 and 114,821,973.81 is: 172,232,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,883,168.81 : 614,824,729.86 = 114,821,973.81 : x
  2. Step 2: Convert to fraction form
    409,883,168.81/614,824,729.86 = 114,821,973.81/x
  3. Step 3: Cross multiply
    409,883,168.81x = 614,824,729.86 × 114,821,973.81
  4. Step 4: Simplify right side
    409,883,168.81x = 70,595,389,028,422,024
  5. Step 5: Solve for x
    x = 70,595,389,028,422,024/409,883,168.81
  6. Step 6: Final answer
    x = 172,232,954.17

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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.