Home / 539,366,681.46-809,086,558.78-189,570,222.36

Finding the Fourth Proportional to 539,366,681.46, 809,086,558.78 and 189,570,222.36

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Solution

The fourth proportional to 539,366,681.46, 809,086,558.78 and 189,570,222.36 is: 284,368,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,366,681.46 : 809,086,558.78 = 189,570,222.36 : x
  2. Step 2: Convert to fraction form
    539,366,681.46/809,086,558.78 = 189,570,222.36/x
  3. Step 3: Cross multiply
    539,366,681.46x = 809,086,558.78 × 189,570,222.36
  4. Step 4: Simplify right side
    539,366,681.46x = 153,378,718,856,411,808
  5. Step 5: Solve for x
    x = 153,378,718,856,411,808/539,366,681.46
  6. Step 6: Final answer
    x = 284,368,174.99

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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.