Home / 556,352,144.92-767,727,554.25-308,814,013

Finding the Fourth Proportional to 556,352,144.92, 767,727,554.25 and 308,814,013

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Solution

The fourth proportional to 556,352,144.92, 767,727,554.25 and 308,814,013 is: 426,142,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,352,144.92 : 767,727,554.25 = 308,814,013 : x
  2. Step 2: Convert to fraction form
    556,352,144.92/767,727,554.25 = 308,814,013/x
  3. Step 3: Cross multiply
    556,352,144.92x = 767,727,554.25 × 308,814,013
  4. Step 4: Simplify right side
    556,352,144.92x = 237,085,026,918,617,696
  5. Step 5: Solve for x
    x = 237,085,026,918,617,696/556,352,144.92
  6. Step 6: Final answer
    x = 426,142,020.09

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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.