Home / 319,671,203,855.36-479,536,281,280-104,540,862,128.64

Finding the Fourth Proportional to 319,671,203,855.36, 479,536,281,280 and 104,540,862,128.64

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Solution

The fourth proportional to 319,671,203,855.36, 479,536,281,280 and 104,540,862,128.64 is: 156,820,932,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,671,203,855.36 : 479,536,281,280 = 104,540,862,128.64 : x
  2. Step 2: Convert to fraction form
    319,671,203,855.36/479,536,281,280 = 104,540,862,128.64/x
  3. Step 3: Cross multiply
    319,671,203,855.36x = 479,536,281,280 × 104,540,862,128.64
  4. Step 4: Simplify right side
    319,671,203,855.36x = 50,131,136,266,973,206,282,240
  5. Step 5: Solve for x
    x = 50,131,136,266,973,206,282,240/319,671,203,855.36
  6. Step 6: Final answer
    x = 156,820,932,453.01

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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.