Home / 949,212,006.80-1,423,850,300.61-450,965,380.58

Finding the Fourth Proportional to 949,212,006.80, 1,423,850,300.61 and 450,965,380.58

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Solution

The fourth proportional to 949,212,006.80, 1,423,850,300.61 and 450,965,380.58 is: 676,463,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,212,006.80 : 1,423,850,300.61 = 450,965,380.58 : x
  2. Step 2: Convert to fraction form
    949,212,006.80/1,423,850,300.61 = 450,965,380.58/x
  3. Step 3: Cross multiply
    949,212,006.80x = 1,423,850,300.61 × 450,965,380.58
  4. Step 4: Simplify right side
    949,212,006.80x = 642,107,192,703,536,000
  5. Step 5: Solve for x
    x = 642,107,192,703,536,000/949,212,006.80
  6. Step 6: Final answer
    x = 676,463,411.87

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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.