Home / 1,254,235,093.47-1,881,231,072.57-380,844,138.96

Finding the Fourth Proportional to 1,254,235,093.47, 1,881,231,072.57 and 380,844,138.96

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Solution

The fourth proportional to 1,254,235,093.47, 1,881,231,072.57 and 380,844,138.96 is: 571,229,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,235,093.47 : 1,881,231,072.57 = 380,844,138.96 : x
  2. Step 2: Convert to fraction form
    1,254,235,093.47/1,881,231,072.57 = 380,844,138.96/x
  3. Step 3: Cross multiply
    1,254,235,093.47x = 1,881,231,072.57 × 380,844,138.96
  4. Step 4: Simplify right side
    1,254,235,093.47x = 716,455,828,017,718,912
  5. Step 5: Solve for x
    x = 716,455,828,017,718,912/1,254,235,093.47
  6. Step 6: Final answer
    x = 571,229,294.85

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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.