Home / 1,737,935,998.80-2,606,903,998.20-427,827,645.60

Finding the Fourth Proportional to 1,737,935,998.80, 2,606,903,998.20 and 427,827,645.60

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Solution

The fourth proportional to 1,737,935,998.80, 2,606,903,998.20 and 427,827,645.60 is: 641,741,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737,935,998.80 : 2,606,903,998.20 = 427,827,645.60 : x
  2. Step 2: Convert to fraction form
    1,737,935,998.80/2,606,903,998.20 = 427,827,645.60/x
  3. Step 3: Cross multiply
    1,737,935,998.80x = 2,606,903,998.20 × 427,827,645.60
  4. Step 4: Simplify right side
    1,737,935,998.80x = 1,115,305,599,855,132,672
  5. Step 5: Solve for x
    x = 1,115,305,599,855,132,672/1,737,935,998.80
  6. Step 6: Final answer
    x = 641,741,468.40

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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.