Home / 852,292,758.64-1,278,423,993.84-270,011,870.32

Finding the Fourth Proportional to 852,292,758.64, 1,278,423,993.84 and 270,011,870.32

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Solution

The fourth proportional to 852,292,758.64, 1,278,423,993.84 and 270,011,870.32 is: 405,013,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,292,758.64 : 1,278,423,993.84 = 270,011,870.32 : x
  2. Step 2: Convert to fraction form
    852,292,758.64/1,278,423,993.84 = 270,011,870.32/x
  3. Step 3: Cross multiply
    852,292,758.64x = 1,278,423,993.84 × 270,011,870.32
  4. Step 4: Simplify right side
    852,292,758.64x = 345,189,653,638,702,528
  5. Step 5: Solve for x
    x = 345,189,653,638,702,528/852,292,758.64
  6. Step 6: Final answer
    x = 405,013,007.72

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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.