Home / 1,107,171,511.10-1,660,996,415.10-330,895,642.40

Finding the Fourth Proportional to 1,107,171,511.10, 1,660,996,415.10 and 330,895,642.40

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Solution

The fourth proportional to 1,107,171,511.10, 1,660,996,415.10 and 330,895,642.40 is: 496,414,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,171,511.10 : 1,660,996,415.10 = 330,895,642.40 : x
  2. Step 2: Convert to fraction form
    1,107,171,511.10/1,660,996,415.10 = 330,895,642.40/x
  3. Step 3: Cross multiply
    1,107,171,511.10x = 1,660,996,415.10 × 330,895,642.40
  4. Step 4: Simplify right side
    1,107,171,511.10x = 549,616,475,798,611,520
  5. Step 5: Solve for x
    x = 549,616,475,798,611,520/1,107,171,511.10
  6. Step 6: Final answer
    x = 496,414,936.88

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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.