Home / 539,023,324.40-743,854,429.64-291,504,678.65

Finding the Fourth Proportional to 539,023,324.40, 743,854,429.64 and 291,504,678.65

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Solution

The fourth proportional to 539,023,324.40, 743,854,429.64 and 291,504,678.65 is: 402,277,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,023,324.40 : 743,854,429.64 = 291,504,678.65 : x
  2. Step 2: Convert to fraction form
    539,023,324.40/743,854,429.64 = 291,504,678.65/x
  3. Step 3: Cross multiply
    539,023,324.40x = 743,854,429.64 × 291,504,678.65
  4. Step 4: Simplify right side
    539,023,324.40x = 216,837,046,474,587,200
  5. Step 5: Solve for x
    x = 216,837,046,474,587,200/539,023,324.40
  6. Step 6: Final answer
    x = 402,277,669.00

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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.