Home / 478,479,088.44-717,839,683.52-133,432,752.33

Finding the Fourth Proportional to 478,479,088.44, 717,839,683.52 and 133,432,752.33

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Solution

The fourth proportional to 478,479,088.44, 717,839,683.52 and 133,432,752.33 is: 200,182,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,479,088.44 : 717,839,683.52 = 133,432,752.33 : x
  2. Step 2: Convert to fraction form
    478,479,088.44/717,839,683.52 = 133,432,752.33/x
  3. Step 3: Cross multiply
    478,479,088.44x = 717,839,683.52 × 133,432,752.33
  4. Step 4: Simplify right side
    478,479,088.44x = 95,783,324,703,102,576
  5. Step 5: Solve for x
    x = 95,783,324,703,102,576/478,479,088.44
  6. Step 6: Final answer
    x = 200,182,885.77

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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.