Home / 12,644,453,478.48-18,959,328,311.04-4,784,472,974.88

Finding the Fourth Proportional to 12,644,453,478.48, 18,959,328,311.04 and 4,784,472,974.88

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Solution

The fourth proportional to 12,644,453,478.48, 18,959,328,311.04 and 4,784,472,974.88 is: 7,173,927,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,453,478.48 : 18,959,328,311.04 = 4,784,472,974.88 : x
  2. Step 2: Convert to fraction form
    12,644,453,478.48/18,959,328,311.04 = 4,784,472,974.88/x
  3. Step 3: Cross multiply
    12,644,453,478.48x = 18,959,328,311.04 × 4,784,472,974.88
  4. Step 4: Simplify right side
    12,644,453,478.48x = 90,710,393,926,048,153,600
  5. Step 5: Solve for x
    x = 90,710,393,926,048,153,600/12,644,453,478.48
  6. Step 6: Final answer
    x = 7,173,927,610.27

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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.