Home / 620,253,450.60-929,817,053.51-309,456,124.98

Finding the Fourth Proportional to 620,253,450.60, 929,817,053.51 and 309,456,124.98

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Solution

The fourth proportional to 620,253,450.60, 929,817,053.51 and 309,456,124.98 is: 463,903,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,253,450.60 : 929,817,053.51 = 309,456,124.98 : x
  2. Step 2: Convert to fraction form
    620,253,450.60/929,817,053.51 = 309,456,124.98/x
  3. Step 3: Cross multiply
    620,253,450.60x = 929,817,053.51 × 309,456,124.98
  4. Step 4: Simplify right side
    620,253,450.60x = 287,737,582,317,978,656
  5. Step 5: Solve for x
    x = 287,737,582,317,978,656/620,253,450.60
  6. Step 6: Final answer
    x = 463,903,235.10

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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.