Home / 345,368,577.36-476,614,899.72-188,742,311.76

Finding the Fourth Proportional to 345,368,577.36, 476,614,899.72 and 188,742,311.76

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Solution

The fourth proportional to 345,368,577.36, 476,614,899.72 and 188,742,311.76 is: 260,467,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,368,577.36 : 476,614,899.72 = 188,742,311.76 : x
  2. Step 2: Convert to fraction form
    345,368,577.36/476,614,899.72 = 188,742,311.76/x
  3. Step 3: Cross multiply
    345,368,577.36x = 476,614,899.72 × 188,742,311.76
  4. Step 4: Simplify right side
    345,368,577.36x = 89,957,397,992,413,376
  5. Step 5: Solve for x
    x = 89,957,397,992,413,376/345,368,577.36
  6. Step 6: Final answer
    x = 260,467,812.91

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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.