Home / 513,217,710.40-769,856,056.80-149,768,161.60

Finding the Fourth Proportional to 513,217,710.40, 769,856,056.80 and 149,768,161.60

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Solution

The fourth proportional to 513,217,710.40, 769,856,056.80 and 149,768,161.60 is: 224,660,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,217,710.40 : 769,856,056.80 = 149,768,161.60 : x
  2. Step 2: Convert to fraction form
    513,217,710.40/769,856,056.80 = 149,768,161.60/x
  3. Step 3: Cross multiply
    513,217,710.40x = 769,856,056.80 × 149,768,161.60
  4. Step 4: Simplify right side
    513,217,710.40x = 115,299,926,323,561,168
  5. Step 5: Solve for x
    x = 115,299,926,323,561,168/513,217,710.40
  6. Step 6: Final answer
    x = 224,660,848.58

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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.