Home / 647,516,200.96-971,135,140.08-204,893,956

Finding the Fourth Proportional to 647,516,200.96, 971,135,140.08 and 204,893,956

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Solution

The fourth proportional to 647,516,200.96, 971,135,140.08 and 204,893,956 is: 307,296,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,516,200.96 : 971,135,140.08 = 204,893,956 : x
  2. Step 2: Convert to fraction form
    647,516,200.96/971,135,140.08 = 204,893,956/x
  3. Step 3: Cross multiply
    647,516,200.96x = 971,135,140.08 × 204,893,956
  4. Step 4: Simplify right side
    647,516,200.96x = 198,979,720,661,605,376
  5. Step 5: Solve for x
    x = 198,979,720,661,605,376/647,516,200.96
  6. Step 6: Final answer
    x = 307,296,899.08

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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.