Home / 3,131,245,460.22-4,696,869,520.75-920,455,328.89

Finding the Fourth Proportional to 3,131,245,460.22, 4,696,869,520.75 and 920,455,328.89

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Solution

The fourth proportional to 3,131,245,460.22, 4,696,869,520.75 and 920,455,328.89 is: 1,380,683,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,245,460.22 : 4,696,869,520.75 = 920,455,328.89 : x
  2. Step 2: Convert to fraction form
    3,131,245,460.22/4,696,869,520.75 = 920,455,328.89/x
  3. Step 3: Cross multiply
    3,131,245,460.22x = 4,696,869,520.75 × 920,455,328.89
  4. Step 4: Simplify right side
    3,131,245,460.22x = 4,323,258,579,475,357,696
  5. Step 5: Solve for x
    x = 4,323,258,579,475,357,696/3,131,245,460.22
  6. Step 6: Final answer
    x = 1,380,683,384.42

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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.