Home / 919,790,424,007.80-1,379,685,636,011.70-919,790,424,007.80

Finding the Fourth Proportional to 919,790,424,007.80, 1,379,685,636,011.70 and 919,790,424,007.80

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Solution

The fourth proportional to 919,790,424,007.80, 1,379,685,636,011.70 and 919,790,424,007.80 is: 1,379,685,636,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,790,424,007.80 : 1,379,685,636,011.70 = 919,790,424,007.80 : x
  2. Step 2: Convert to fraction form
    919,790,424,007.80/1,379,685,636,011.70 = 919,790,424,007.80/x
  3. Step 3: Cross multiply
    919,790,424,007.80x = 1,379,685,636,011.70 × 919,790,424,007.80
  4. Step 4: Simplify right side
    919,790,424,007.80x = 1,269,021,636,144,672,895,139,840
  5. Step 5: Solve for x
    x = 1,269,021,636,144,672,895,139,840/919,790,424,007.80
  6. Step 6: Final answer
    x = 1,379,685,636,011.70

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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.