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Finding the Fourth Proportional to 298,606,240, 447,909,360 and 71,671,456

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Solution

The fourth proportional to 298,606,240, 447,909,360 and 71,671,456 is: 107,507,184

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,606,240 : 447,909,360 = 71,671,456 : x
  2. Step 2: Convert to fraction form
    298,606,240/447,909,360 = 71,671,456/x
  3. Step 3: Cross multiply
    298,606,240x = 447,909,360 × 71,671,456
  4. Step 4: Simplify right side
    298,606,240x = 32,102,315,987,228,160
  5. Step 5: Solve for x
    x = 32,102,315,987,228,160/298,606,240
  6. Step 6: Final answer
    x = 107,507,184

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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.