Home / 370,169,431.16-510,535,954.80-325,419,721.88

Finding the Fourth Proportional to 370,169,431.16, 510,535,954.80 and 325,419,721.88

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Solution

The fourth proportional to 370,169,431.16, 510,535,954.80 and 325,419,721.88 is: 448,817,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,169,431.16 : 510,535,954.80 = 325,419,721.88 : x
  2. Step 2: Convert to fraction form
    370,169,431.16/510,535,954.80 = 325,419,721.88/x
  3. Step 3: Cross multiply
    370,169,431.16x = 510,535,954.80 × 325,419,721.88
  4. Step 4: Simplify right side
    370,169,431.16x = 166,138,468,423,043,456
  5. Step 5: Solve for x
    x = 166,138,468,423,043,456/370,169,431.16
  6. Step 6: Final answer
    x = 448,817,364.26

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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.