Home / 330,359,599.26-455,767,222.14-189,155,361.06

Finding the Fourth Proportional to 330,359,599.26, 455,767,222.14 and 189,155,361.06

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Solution

The fourth proportional to 330,359,599.26, 455,767,222.14 and 189,155,361.06 is: 260,960,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,359,599.26 : 455,767,222.14 = 189,155,361.06 : x
  2. Step 2: Convert to fraction form
    330,359,599.26/455,767,222.14 = 189,155,361.06/x
  3. Step 3: Cross multiply
    330,359,599.26x = 455,767,222.14 × 189,155,361.06
  4. Step 4: Simplify right side
    330,359,599.26x = 86,210,813,463,204,928
  5. Step 5: Solve for x
    x = 86,210,813,463,204,928/330,359,599.26
  6. Step 6: Final answer
    x = 260,960,521.98

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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.