Home / 764,365,935.56-1,146,537,381.08-343,890,364.46

Finding the Fourth Proportional to 764,365,935.56, 1,146,537,381.08 and 343,890,364.46

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Solution

The fourth proportional to 764,365,935.56, 1,146,537,381.08 and 343,890,364.46 is: 515,830,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,365,935.56 : 1,146,537,381.08 = 343,890,364.46 : x
  2. Step 2: Convert to fraction form
    764,365,935.56/1,146,537,381.08 = 343,890,364.46/x
  3. Step 3: Cross multiply
    764,365,935.56x = 1,146,537,381.08 × 343,890,364.46
  4. Step 4: Simplify right side
    764,365,935.56x = 394,283,157,841,742,144
  5. Step 5: Solve for x
    x = 394,283,157,841,742,144/764,365,935.56
  6. Step 6: Final answer
    x = 515,830,362.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.