Home / 13,979,695,979.40-19,291,850,071.38-7,636,061,384.52

Finding the Fourth Proportional to 13,979,695,979.40, 19,291,850,071.38 and 7,636,061,384.52

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Solution

The fourth proportional to 13,979,695,979.40, 19,291,850,071.38 and 7,636,061,384.52 is: 10,537,693,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,695,979.40 : 19,291,850,071.38 = 7,636,061,384.52 : x
  2. Step 2: Convert to fraction form
    13,979,695,979.40/19,291,850,071.38 = 7,636,061,384.52/x
  3. Step 3: Cross multiply
    13,979,695,979.40x = 19,291,850,071.38 × 7,636,061,384.52
  4. Step 4: Simplify right side
    13,979,695,979.40x = 147,313,751,366,014,238,720
  5. Step 5: Solve for x
    x = 147,313,751,366,014,238,720/13,979,695,979.40
  6. Step 6: Final answer
    x = 10,537,693,493.70

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1.5x scale

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.