Home / 1,254,234,944.63-1,881,230,849.82-380,843,990.46

Finding the Fourth Proportional to 1,254,234,944.63, 1,881,230,849.82 and 380,843,990.46

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Solution

The fourth proportional to 1,254,234,944.63, 1,881,230,849.82 and 380,843,990.46 is: 571,229,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,234,944.63 : 1,881,230,849.82 = 380,843,990.46 : x
  2. Step 2: Convert to fraction form
    1,254,234,944.63/1,881,230,849.82 = 380,843,990.46/x
  3. Step 3: Cross multiply
    1,254,234,944.63x = 1,881,230,849.82 × 380,843,990.46
  4. Step 4: Simplify right side
    1,254,234,944.63x = 716,455,463,821,905,664
  5. Step 5: Solve for x
    x = 716,455,463,821,905,664/1,254,234,944.63
  6. Step 6: Final answer
    x = 571,229,072.26

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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.