Home / 28,902,329,118.16-39,881,979,234-16,042,511,172.64

Finding the Fourth Proportional to 28,902,329,118.16, 39,881,979,234 and 16,042,511,172.64

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Solution

The fourth proportional to 28,902,329,118.16, 39,881,979,234 and 16,042,511,172.64 is: 22,136,869,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902,329,118.16 : 39,881,979,234 = 16,042,511,172.64 : x
  2. Step 2: Convert to fraction form
    28,902,329,118.16/39,881,979,234 = 16,042,511,172.64/x
  3. Step 3: Cross multiply
    28,902,329,118.16x = 39,881,979,234 × 16,042,511,172.64
  4. Step 4: Simplify right side
    28,902,329,118.16x = 639,807,097,448,441,446,400
  5. Step 5: Solve for x
    x = 639,807,097,448,441,446,400/28,902,329,118.16
  6. Step 6: Final answer
    x = 22,136,869,829.17

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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.