Home / 12,891,127,935.79-19,336,687,352.21-3,447,526,328.87

Finding the Fourth Proportional to 12,891,127,935.79, 19,336,687,352.21 and 3,447,526,328.87

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Solution

The fourth proportional to 12,891,127,935.79, 19,336,687,352.21 and 3,447,526,328.87 is: 5,171,288,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891,127,935.79 : 19,336,687,352.21 = 3,447,526,328.87 : x
  2. Step 2: Convert to fraction form
    12,891,127,935.79/19,336,687,352.21 = 3,447,526,328.87/x
  3. Step 3: Cross multiply
    12,891,127,935.79x = 19,336,687,352.21 × 3,447,526,328.87
  4. Step 4: Simplify right side
    12,891,127,935.79x = 66,663,738,759,785,160,704
  5. Step 5: Solve for x
    x = 66,663,738,759,785,160,704/12,891,127,935.79
  6. Step 6: Final answer
    x = 5,171,288,276.08

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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.