Home / 7,669,489,881.60-11,494,064,903.04-3,938,630,555.52

Finding the Fourth Proportional to 7,669,489,881.60, 11,494,064,903.04 and 3,938,630,555.52

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Solution

The fourth proportional to 7,669,489,881.60, 11,494,064,903.04 and 3,938,630,555.52 is: 5,902,723,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669,489,881.60 : 11,494,064,903.04 = 3,938,630,555.52 : x
  2. Step 2: Convert to fraction form
    7,669,489,881.60/11,494,064,903.04 = 3,938,630,555.52/x
  3. Step 3: Cross multiply
    7,669,489,881.60x = 11,494,064,903.04 × 3,938,630,555.52
  4. Step 4: Simplify right side
    7,669,489,881.60x = 45,270,875,234,243,371,008
  5. Step 5: Solve for x
    x = 45,270,875,234,243,371,008/7,669,489,881.60
  6. Step 6: Final answer
    x = 5,902,723,118.89

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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.