Home / 749,404,387.89-1,034,286,283.62-431,803,828.94

Finding the Fourth Proportional to 749,404,387.89, 1,034,286,283.62 and 431,803,828.94

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Solution

The fourth proportional to 749,404,387.89, 1,034,286,283.62 and 431,803,828.94 is: 595,951,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,404,387.89 : 1,034,286,283.62 = 431,803,828.94 : x
  2. Step 2: Convert to fraction form
    749,404,387.89/1,034,286,283.62 = 431,803,828.94/x
  3. Step 3: Cross multiply
    749,404,387.89x = 1,034,286,283.62 × 431,803,828.94
  4. Step 4: Simplify right side
    749,404,387.89x = 446,608,777,482,067,392
  5. Step 5: Solve for x
    x = 446,608,777,482,067,392/749,404,387.89
  6. Step 6: Final answer
    x = 595,951,644.66

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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.