Home / 346,505,707.13-478,177,875.83-199,827,991.13

Finding the Fourth Proportional to 346,505,707.13, 478,177,875.83 and 199,827,991.13

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Solution

The fourth proportional to 346,505,707.13, 478,177,875.83 and 199,827,991.13 is: 275,762,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,505,707.13 : 478,177,875.83 = 199,827,991.13 : x
  2. Step 2: Convert to fraction form
    346,505,707.13/478,177,875.83 = 199,827,991.13/x
  3. Step 3: Cross multiply
    346,505,707.13x = 478,177,875.83 × 199,827,991.13
  4. Step 4: Simplify right side
    346,505,707.13x = 95,553,324,328,028,160
  5. Step 5: Solve for x
    x = 95,553,324,328,028,160/346,505,707.13
  6. Step 6: Final answer
    x = 275,762,627.75

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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.