Home / 481,258,281.68-664,137,270.60-261,241,856.72

Finding the Fourth Proportional to 481,258,281.68, 664,137,270.60 and 261,241,856.72

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Solution

The fourth proportional to 481,258,281.68, 664,137,270.60 and 261,241,856.72 is: 360,514,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,258,281.68 : 664,137,270.60 = 261,241,856.72 : x
  2. Step 2: Convert to fraction form
    481,258,281.68/664,137,270.60 = 261,241,856.72/x
  3. Step 3: Cross multiply
    481,258,281.68x = 664,137,270.60 × 261,241,856.72
  4. Step 4: Simplify right side
    481,258,281.68x = 173,500,453,688,497,088
  5. Step 5: Solve for x
    x = 173,500,453,688,497,088/481,258,281.68
  6. Step 6: Final answer
    x = 360,514,219.27

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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.