Home / 647,568,018.70-971,352,028.05-162,893,826.70

Finding the Fourth Proportional to 647,568,018.70, 971,352,028.05 and 162,893,826.70

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Solution

The fourth proportional to 647,568,018.70, 971,352,028.05 and 162,893,826.70 is: 244,340,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,568,018.70 : 971,352,028.05 = 162,893,826.70 : x
  2. Step 2: Convert to fraction form
    647,568,018.70/971,352,028.05 = 162,893,826.70/x
  3. Step 3: Cross multiply
    647,568,018.70x = 971,352,028.05 × 162,893,826.70
  4. Step 4: Simplify right side
    647,568,018.70x = 158,227,248,921,870,208
  5. Step 5: Solve for x
    x = 158,227,248,921,870,208/647,568,018.70
  6. Step 6: Final answer
    x = 244,340,740.05

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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.