Home / 585,036,176.32-807,400,999.38-320,769,245.36

Finding the Fourth Proportional to 585,036,176.32, 807,400,999.38 and 320,769,245.36

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Solution

The fourth proportional to 585,036,176.32, 807,400,999.38 and 320,769,245.36 is: 442,689,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,036,176.32 : 807,400,999.38 = 320,769,245.36 : x
  2. Step 2: Convert to fraction form
    585,036,176.32/807,400,999.38 = 320,769,245.36/x
  3. Step 3: Cross multiply
    585,036,176.32x = 807,400,999.38 × 320,769,245.36
  4. Step 4: Simplify right side
    585,036,176.32x = 258,989,409,274,032,448
  5. Step 5: Solve for x
    x = 258,989,409,274,032,448/585,036,176.32
  6. Step 6: Final answer
    x = 442,689,563.07

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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.