Home / 12,644,453,466.48-18,959,328,293.04-4,784,472,962.88

Finding the Fourth Proportional to 12,644,453,466.48, 18,959,328,293.04 and 4,784,472,962.88

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Solution

The fourth proportional to 12,644,453,466.48, 18,959,328,293.04 and 4,784,472,962.88 is: 7,173,927,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,453,466.48 : 18,959,328,293.04 = 4,784,472,962.88 : x
  2. Step 2: Convert to fraction form
    12,644,453,466.48/18,959,328,293.04 = 4,784,472,962.88/x
  3. Step 3: Cross multiply
    12,644,453,466.48x = 18,959,328,293.04 × 4,784,472,962.88
  4. Step 4: Simplify right side
    12,644,453,466.48x = 90,710,393,612,415,713,280
  5. Step 5: Solve for x
    x = 90,710,393,612,415,713,280/12,644,453,466.48
  6. Step 6: Final answer
    x = 7,173,927,592.27

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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.