Home / 516,320,243.20-712,501,203.44-281,365,896

Finding the Fourth Proportional to 516,320,243.20, 712,501,203.44 and 281,365,896

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Solution

The fourth proportional to 516,320,243.20, 712,501,203.44 and 281,365,896 is: 388,273,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,320,243.20 : 712,501,203.44 = 281,365,896 : x
  2. Step 2: Convert to fraction form
    516,320,243.20/712,501,203.44 = 281,365,896/x
  3. Step 3: Cross multiply
    516,320,243.20x = 712,501,203.44 × 281,365,896
  4. Step 4: Simplify right side
    516,320,243.20x = 200,473,539,506,973,888
  5. Step 5: Solve for x
    x = 200,473,539,506,973,888/516,320,243.20
  6. Step 6: Final answer
    x = 388,273,638.59

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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.