Home / 345,368,583.36-476,614,908-188,742,317.76

Finding the Fourth Proportional to 345,368,583.36, 476,614,908 and 188,742,317.76

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Solution

The fourth proportional to 345,368,583.36, 476,614,908 and 188,742,317.76 is: 260,467,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,368,583.36 : 476,614,908 = 188,742,317.76 : x
  2. Step 2: Convert to fraction form
    345,368,583.36/476,614,908 = 188,742,317.76/x
  3. Step 3: Cross multiply
    345,368,583.36x = 476,614,908 × 188,742,317.76
  4. Step 4: Simplify right side
    345,368,583.36x = 89,957,402,414,889,168
  5. Step 5: Solve for x
    x = 89,957,402,414,889,168/345,368,583.36
  6. Step 6: Final answer
    x = 260,467,821.19

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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.