Home / 520,825,619.44-719,335,872.48-343,004,409.28

Finding the Fourth Proportional to 520,825,619.44, 719,335,872.48 and 343,004,409.28

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Solution

The fourth proportional to 520,825,619.44, 719,335,872.48 and 343,004,409.28 is: 473,738,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,825,619.44 : 719,335,872.48 = 343,004,409.28 : x
  2. Step 2: Convert to fraction form
    520,825,619.44/719,335,872.48 = 343,004,409.28/x
  3. Step 3: Cross multiply
    520,825,619.44x = 719,335,872.48 × 343,004,409.28
  4. Step 4: Simplify right side
    520,825,619.44x = 246,735,376,013,915,808
  5. Step 5: Solve for x
    x = 246,735,376,013,915,808/520,825,619.44
  6. Step 6: Final answer
    x = 473,738,938.34

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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.