Home / 13,979,696,072.52-19,291,850,199.40-7,636,061,477.64

Finding the Fourth Proportional to 13,979,696,072.52, 19,291,850,199.40 and 7,636,061,477.64

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Solution

The fourth proportional to 13,979,696,072.52, 19,291,850,199.40 and 7,636,061,477.64 is: 10,537,693,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,696,072.52 : 19,291,850,199.40 = 7,636,061,477.64 : x
  2. Step 2: Convert to fraction form
    13,979,696,072.52/19,291,850,199.40 = 7,636,061,477.64/x
  3. Step 3: Cross multiply
    13,979,696,072.52x = 19,291,850,199.40 × 7,636,061,477.64
  4. Step 4: Simplify right side
    13,979,696,072.52x = 147,313,754,140,039,905,280
  5. Step 5: Solve for x
    x = 147,313,754,140,039,905,280/13,979,696,072.52
  6. Step 6: Final answer
    x = 10,537,693,621.94

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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.