Home / 361,169,971.78-498,417,111.93-196,157,541.28

Finding the Fourth Proportional to 361,169,971.78, 498,417,111.93 and 196,157,541.28

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Solution

The fourth proportional to 361,169,971.78, 498,417,111.93 and 196,157,541.28 is: 270,698,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,169,971.78 : 498,417,111.93 = 196,157,541.28 : x
  2. Step 2: Convert to fraction form
    361,169,971.78/498,417,111.93 = 196,157,541.28/x
  3. Step 3: Cross multiply
    361,169,971.78x = 498,417,111.93 × 196,157,541.28
  4. Step 4: Simplify right side
    361,169,971.78x = 97,768,275,208,067,360
  5. Step 5: Solve for x
    x = 97,768,275,208,067,360/361,169,971.78
  6. Step 6: Final answer
    x = 270,698,792.39

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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.