Home / 719,390,652.40-992,653,435.26-401,811,770.56

Finding the Fourth Proportional to 719,390,652.40, 992,653,435.26 and 401,811,770.56

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Solution

The fourth proportional to 719,390,652.40, 992,653,435.26 and 401,811,770.56 is: 554,441,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,390,652.40 : 992,653,435.26 = 401,811,770.56 : x
  2. Step 2: Convert to fraction form
    719,390,652.40/992,653,435.26 = 401,811,770.56/x
  3. Step 3: Cross multiply
    719,390,652.40x = 992,653,435.26 × 401,811,770.56
  4. Step 4: Simplify right side
    719,390,652.40x = 398,859,834,374,286,912
  5. Step 5: Solve for x
    x = 398,859,834,374,286,912/719,390,652.40
  6. Step 6: Final answer
    x = 554,441,224.73

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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.