Home / 12,644,453,479.48-18,959,328,312.54-4,784,472,975.88

Finding the Fourth Proportional to 12,644,453,479.48, 18,959,328,312.54 and 4,784,472,975.88

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Solution

The fourth proportional to 12,644,453,479.48, 18,959,328,312.54 and 4,784,472,975.88 is: 7,173,927,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644,453,479.48 : 18,959,328,312.54 = 4,784,472,975.88 : x
  2. Step 2: Convert to fraction form
    12,644,453,479.48/18,959,328,312.54 = 4,784,472,975.88/x
  3. Step 3: Cross multiply
    12,644,453,479.48x = 18,959,328,312.54 × 4,784,472,975.88
  4. Step 4: Simplify right side
    12,644,453,479.48x = 90,710,393,952,184,205,312
  5. Step 5: Solve for x
    x = 90,710,393,952,184,205,312/12,644,453,479.48
  6. Step 6: Final answer
    x = 7,173,927,611.77

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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.