Home / 330,985,442,611.80-496,478,169,699.75-79,446,636,684

Finding the Fourth Proportional to 330,985,442,611.80, 496,478,169,699.75 and 79,446,636,684

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Solution

The fourth proportional to 330,985,442,611.80, 496,478,169,699.75 and 79,446,636,684 is: 119,169,956,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,985,442,611.80 : 496,478,169,699.75 = 79,446,636,684 : x
  2. Step 2: Convert to fraction form
    330,985,442,611.80/496,478,169,699.75 = 79,446,636,684/x
  3. Step 3: Cross multiply
    330,985,442,611.80x = 496,478,169,699.75 × 79,446,636,684
  4. Step 4: Simplify right side
    330,985,442,611.80x = 39,443,520,769,673,337,503,744
  5. Step 5: Solve for x
    x = 39,443,520,769,673,337,503,744/330,985,442,611.80
  6. Step 6: Final answer
    x = 119,169,956,413.87

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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.