Home / 20,933,151,038.84-28,890,190,673.64-11,902,262,294.94

Finding the Fourth Proportional to 20,933,151,038.84, 28,890,190,673.64 and 11,902,262,294.94

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Solution

The fourth proportional to 20,933,151,038.84, 28,890,190,673.64 and 11,902,262,294.94 is: 16,426,510,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,151,038.84 : 28,890,190,673.64 = 11,902,262,294.94 : x
  2. Step 2: Convert to fraction form
    20,933,151,038.84/28,890,190,673.64 = 11,902,262,294.94/x
  3. Step 3: Cross multiply
    20,933,151,038.84x = 28,890,190,673.64 × 11,902,262,294.94
  4. Step 4: Simplify right side
    20,933,151,038.84x = 343,858,627,148,492,636,160
  5. Step 5: Solve for x
    x = 343,858,627,148,492,636,160/20,933,151,038.84
  6. Step 6: Final answer
    x = 16,426,510,586.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.