Home / 389,376,005.80-584,064,008.70-236,195,026.60

Finding the Fourth Proportional to 389,376,005.80, 584,064,008.70 and 236,195,026.60

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Solution

The fourth proportional to 389,376,005.80, 584,064,008.70 and 236,195,026.60 is: 354,292,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,376,005.80 : 584,064,008.70 = 236,195,026.60 : x
  2. Step 2: Convert to fraction form
    389,376,005.80/584,064,008.70 = 236,195,026.60/x
  3. Step 3: Cross multiply
    389,376,005.80x = 584,064,008.70 × 236,195,026.60
  4. Step 4: Simplify right side
    389,376,005.80x = 137,953,014,070,999,136
  5. Step 5: Solve for x
    x = 137,953,014,070,999,136/389,376,005.80
  6. Step 6: Final answer
    x = 354,292,539.90

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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.