Home / 1,227,700,546.12-1,841,524,230.29-342,362,282.78

Finding the Fourth Proportional to 1,227,700,546.12, 1,841,524,230.29 and 342,362,282.78

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Solution

The fourth proportional to 1,227,700,546.12, 1,841,524,230.29 and 342,362,282.78 is: 513,536,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,700,546.12 : 1,841,524,230.29 = 342,362,282.78 : x
  2. Step 2: Convert to fraction form
    1,227,700,546.12/1,841,524,230.29 = 342,362,282.78/x
  3. Step 3: Cross multiply
    1,227,700,546.12x = 1,841,524,230.29 × 342,362,282.78
  4. Step 4: Simplify right side
    1,227,700,546.12x = 630,468,439,278,804,352
  5. Step 5: Solve for x
    x = 630,468,439,278,804,352/1,227,700,546.12
  6. Step 6: Final answer
    x = 513,536,009.47

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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.