Home / 749,404,349.19-1,034,286,230.31-431,803,790.37

Finding the Fourth Proportional to 749,404,349.19, 1,034,286,230.31 and 431,803,790.37

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Solution

The fourth proportional to 749,404,349.19, 1,034,286,230.31 and 431,803,790.37 is: 595,951,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,404,349.19 : 1,034,286,230.31 = 431,803,790.37 : x
  2. Step 2: Convert to fraction form
    749,404,349.19/1,034,286,230.31 = 431,803,790.37/x
  3. Step 3: Cross multiply
    749,404,349.19x = 1,034,286,230.31 × 431,803,790.37
  4. Step 4: Simplify right side
    749,404,349.19x = 446,608,714,575,356,736
  5. Step 5: Solve for x
    x = 446,608,714,575,356,736/749,404,349.19
  6. Step 6: Final answer
    x = 595,951,591.50

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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.