Home / 509,953,386.57-763,346,662.70-276,203,534.73

Finding the Fourth Proportional to 509,953,386.57, 763,346,662.70 and 276,203,534.73

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Solution

The fourth proportional to 509,953,386.57, 763,346,662.70 and 276,203,534.73 is: 413,447,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,953,386.57 : 763,346,662.70 = 276,203,534.73 : x
  2. Step 2: Convert to fraction form
    509,953,386.57/763,346,662.70 = 276,203,534.73/x
  3. Step 3: Cross multiply
    509,953,386.57x = 763,346,662.70 × 276,203,534.73
  4. Step 4: Simplify right side
    509,953,386.57x = 210,839,046,460,708,064
  5. Step 5: Solve for x
    x = 210,839,046,460,708,064/509,953,386.57
  6. Step 6: Final answer
    x = 413,447,683.68

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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.