Home / 389,788,579.80-584,756,610.30-156,637,441.44

Finding the Fourth Proportional to 389,788,579.80, 584,756,610.30 and 156,637,441.44

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Solution

The fourth proportional to 389,788,579.80, 584,756,610.30 and 156,637,441.44 is: 234,985,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,579.80 : 584,756,610.30 = 156,637,441.44 : x
  2. Step 2: Convert to fraction form
    389,788,579.80/584,756,610.30 = 156,637,441.44/x
  3. Step 3: Cross multiply
    389,788,579.80x = 584,756,610.30 × 156,637,441.44
  4. Step 4: Simplify right side
    389,788,579.80x = 91,594,779,302,519,136
  5. Step 5: Solve for x
    x = 91,594,779,302,519,136/389,788,579.80
  6. Step 6: Final answer
    x = 234,985,794.99

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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.