Home / 647,433,730.40-971,150,595.60-210,775,560.80

Finding the Fourth Proportional to 647,433,730.40, 971,150,595.60 and 210,775,560.80

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Solution

The fourth proportional to 647,433,730.40, 971,150,595.60 and 210,775,560.80 is: 316,163,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,433,730.40 : 971,150,595.60 = 210,775,560.80 : x
  2. Step 2: Convert to fraction form
    647,433,730.40/971,150,595.60 = 210,775,560.80/x
  3. Step 3: Cross multiply
    647,433,730.40x = 971,150,595.60 × 210,775,560.80
  4. Step 4: Simplify right side
    647,433,730.40x = 204,694,811,408,844,032
  5. Step 5: Solve for x
    x = 204,694,811,408,844,032/647,433,730.40
  6. Step 6: Final answer
    x = 316,163,341.20

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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.