Home / 13,269,789,546.55-18,312,185,814.92-7,248,292,645.94

Finding the Fourth Proportional to 13,269,789,546.55, 18,312,185,814.92 and 7,248,292,645.94

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Solution

The fourth proportional to 13,269,789,546.55, 18,312,185,814.92 and 7,248,292,645.94 is: 10,002,576,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,789,546.55 : 18,312,185,814.92 = 7,248,292,645.94 : x
  2. Step 2: Convert to fraction form
    13,269,789,546.55/18,312,185,814.92 = 7,248,292,645.94/x
  3. Step 3: Cross multiply
    13,269,789,546.55x = 18,312,185,814.92 × 7,248,292,645.94
  4. Step 4: Simplify right side
    13,269,789,546.55x = 132,732,081,773,345,849,344
  5. Step 5: Solve for x
    x = 132,732,081,773,345,849,344/13,269,789,546.55
  6. Step 6: Final answer
    x = 10,002,576,250.95

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1.5x scale

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.