Home / 498,507,866.49-747,093,400.59-387,977,008.29

Finding the Fourth Proportional to 498,507,866.49, 747,093,400.59 and 387,977,008.29

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Solution

The fourth proportional to 498,507,866.49, 747,093,400.59 and 387,977,008.29 is: 581,445,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,507,866.49 : 747,093,400.59 = 387,977,008.29 : x
  2. Step 2: Convert to fraction form
    498,507,866.49/747,093,400.59 = 387,977,008.29/x
  3. Step 3: Cross multiply
    498,507,866.49x = 747,093,400.59 × 387,977,008.29
  4. Step 4: Simplify right side
    498,507,866.49x = 289,855,062,474,110,720
  5. Step 5: Solve for x
    x = 289,855,062,474,110,720/498,507,866.49
  6. Step 6: Final answer
    x = 581,445,313.02

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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.