Home / 479,646,377.54-719,538,197.87-147,681,475.30

Finding the Fourth Proportional to 479,646,377.54, 719,538,197.87 and 147,681,475.30

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Solution

The fourth proportional to 479,646,377.54, 719,538,197.87 and 147,681,475.30 is: 221,543,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,646,377.54 : 719,538,197.87 = 147,681,475.30 : x
  2. Step 2: Convert to fraction form
    479,646,377.54/719,538,197.87 = 147,681,475.30/x
  3. Step 3: Cross multiply
    479,646,377.54x = 719,538,197.87 × 147,681,475.30
  4. Step 4: Simplify right side
    479,646,377.54x = 106,262,462,596,144,928
  5. Step 5: Solve for x
    x = 106,262,462,596,144,928/479,646,377.54
  6. Step 6: Final answer
    x = 221,543,344.37

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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.