Home / 431,082,945.15-646,624,417.73-249,684,417.15

Finding the Fourth Proportional to 431,082,945.15, 646,624,417.73 and 249,684,417.15

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Solution

The fourth proportional to 431,082,945.15, 646,624,417.73 and 249,684,417.15 is: 374,526,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,082,945.15 : 646,624,417.73 = 249,684,417.15 : x
  2. Step 2: Convert to fraction form
    431,082,945.15/646,624,417.73 = 249,684,417.15/x
  3. Step 3: Cross multiply
    431,082,945.15x = 646,624,417.73 × 249,684,417.15
  4. Step 4: Simplify right side
    431,082,945.15x = 161,452,040,854,624,768
  5. Step 5: Solve for x
    x = 161,452,040,854,624,768/431,082,945.15
  6. Step 6: Final answer
    x = 374,526,625.73

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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.