Home / 291,328,758,507.64-436,959,756,746.48-76,218,067,347.24

Finding the Fourth Proportional to 291,328,758,507.64, 436,959,756,746.48 and 76,218,067,347.24

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Solution

The fourth proportional to 291,328,758,507.64, 436,959,756,746.48 and 76,218,067,347.24 is: 114,318,367,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,328,758,507.64 : 436,959,756,746.48 = 76,218,067,347.24 : x
  2. Step 2: Convert to fraction form
    291,328,758,507.64/436,959,756,746.48 = 76,218,067,347.24/x
  3. Step 3: Cross multiply
    291,328,758,507.64x = 436,959,756,746.48 × 76,218,067,347.24
  4. Step 4: Simplify right side
    291,328,758,507.64x = 33,304,228,167,736,820,236,288
  5. Step 5: Solve for x
    x = 33,304,228,167,736,820,236,288/291,328,758,507.64
  6. Step 6: Final answer
    x = 114,318,367,806.67

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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.