Home / 661,571,736.30-992,357,604.45-274,151,247.30

Finding the Fourth Proportional to 661,571,736.30, 992,357,604.45 and 274,151,247.30

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Solution

The fourth proportional to 661,571,736.30, 992,357,604.45 and 274,151,247.30 is: 411,226,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,571,736.30 : 992,357,604.45 = 274,151,247.30 : x
  2. Step 2: Convert to fraction form
    661,571,736.30/992,357,604.45 = 274,151,247.30/x
  3. Step 3: Cross multiply
    661,571,736.30x = 992,357,604.45 × 274,151,247.30
  4. Step 4: Simplify right side
    661,571,736.30x = 272,056,075,027,607,552
  5. Step 5: Solve for x
    x = 272,056,075,027,607,552/661,571,736.30
  6. Step 6: Final answer
    x = 411,226,870.95

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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.