Home / 1,251,620,443.20-1,878,102,511.20-524,682,638.40

Finding the Fourth Proportional to 1,251,620,443.20, 1,878,102,511.20 and 524,682,638.40

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Solution

The fourth proportional to 1,251,620,443.20, 1,878,102,511.20 and 524,682,638.40 is: 787,305,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,620,443.20 : 1,878,102,511.20 = 524,682,638.40 : x
  2. Step 2: Convert to fraction form
    1,251,620,443.20/1,878,102,511.20 = 524,682,638.40/x
  3. Step 3: Cross multiply
    1,251,620,443.20x = 1,878,102,511.20 × 524,682,638.40
  4. Step 4: Simplify right side
    1,251,620,443.20x = 985,407,780,762,081,536
  5. Step 5: Solve for x
    x = 985,407,780,762,081,536/1,251,620,443.20
  6. Step 6: Final answer
    x = 787,305,597.41

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1.5x scale

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.