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Finding the Fourth Proportional to 273,139,712.70, 409,709,569.05 and 273,139,712.70

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Solution

The fourth proportional to 273,139,712.70, 409,709,569.05 and 273,139,712.70 is: 409,709,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,139,712.70 : 409,709,569.05 = 273,139,712.70 : x
  2. Step 2: Convert to fraction form
    273,139,712.70/409,709,569.05 = 273,139,712.70/x
  3. Step 3: Cross multiply
    273,139,712.70x = 409,709,569.05 × 273,139,712.70
  4. Step 4: Simplify right side
    273,139,712.70x = 111,907,953,980,757,808
  5. Step 5: Solve for x
    x = 111,907,953,980,757,808/273,139,712.70
  6. Step 6: Final answer
    x = 409,709,569.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.