Home / 13,865,610,072.65-19,132,927,644.88-7,762,296,839.92

Finding the Fourth Proportional to 13,865,610,072.65, 19,132,927,644.88 and 7,762,296,839.92

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Solution

The fourth proportional to 13,865,610,072.65, 19,132,927,644.88 and 7,762,296,839.92 is: 10,711,065,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865,610,072.65 : 19,132,927,644.88 = 7,762,296,839.92 : x
  2. Step 2: Convert to fraction form
    13,865,610,072.65/19,132,927,644.88 = 7,762,296,839.92/x
  3. Step 3: Cross multiply
    13,865,610,072.65x = 19,132,927,644.88 × 7,762,296,839.92
  4. Step 4: Simplify right side
    13,865,610,072.65x = 148,515,463,796,231,208,960
  5. Step 5: Solve for x
    x = 148,515,463,796,231,208,960/13,865,610,072.65
  6. Step 6: Final answer
    x = 10,711,065,940.70

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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.