Home / 936,056,270.82-1,291,798,259.13-518,368,556.16

Finding the Fourth Proportional to 936,056,270.82, 1,291,798,259.13 and 518,368,556.16

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Solution

The fourth proportional to 936,056,270.82, 1,291,798,259.13 and 518,368,556.16 is: 715,371,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,056,270.82 : 1,291,798,259.13 = 518,368,556.16 : x
  2. Step 2: Convert to fraction form
    936,056,270.82/1,291,798,259.13 = 518,368,556.16/x
  3. Step 3: Cross multiply
    936,056,270.82x = 1,291,798,259.13 × 518,368,556.16
  4. Step 4: Simplify right side
    936,056,270.82x = 669,627,598,435,219,712
  5. Step 5: Solve for x
    x = 669,627,598,435,219,712/936,056,270.82
  6. Step 6: Final answer
    x = 715,371,093.93

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Double scale
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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.