Home / 621,422,210.25-857,550,494.43-339,166,674.34

Finding the Fourth Proportional to 621,422,210.25, 857,550,494.43 and 339,166,674.34

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Solution

The fourth proportional to 621,422,210.25, 857,550,494.43 and 339,166,674.34 is: 468,043,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,422,210.25 : 857,550,494.43 = 339,166,674.34 : x
  2. Step 2: Convert to fraction form
    621,422,210.25/857,550,494.43 = 339,166,674.34/x
  3. Step 3: Cross multiply
    621,422,210.25x = 857,550,494.43 × 339,166,674.34
  4. Step 4: Simplify right side
    621,422,210.25x = 290,852,549,272,301,888
  5. Step 5: Solve for x
    x = 290,852,549,272,301,888/621,422,210.25
  6. Step 6: Final answer
    x = 468,043,376.11

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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.