Home / 487,435,639.68-731,274,473.52-241,907,506.56

Finding the Fourth Proportional to 487,435,639.68, 731,274,473.52 and 241,907,506.56

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Solution

The fourth proportional to 487,435,639.68, 731,274,473.52 and 241,907,506.56 is: 362,921,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,435,639.68 : 731,274,473.52 = 241,907,506.56 : x
  2. Step 2: Convert to fraction form
    487,435,639.68/731,274,473.52 = 241,907,506.56/x
  3. Step 3: Cross multiply
    487,435,639.68x = 731,274,473.52 × 241,907,506.56
  4. Step 4: Simplify right side
    487,435,639.68x = 176,900,784,500,199,936
  5. Step 5: Solve for x
    x = 176,900,784,500,199,936/487,435,639.68
  6. Step 6: Final answer
    x = 362,921,317.40

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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.