Home / 647,635,793.40-971,393,459.85-181,339,421.94

Finding the Fourth Proportional to 647,635,793.40, 971,393,459.85 and 181,339,421.94

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Solution

The fourth proportional to 647,635,793.40, 971,393,459.85 and 181,339,421.94 is: 271,992,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,635,793.40 : 971,393,459.85 = 181,339,421.94 : x
  2. Step 2: Convert to fraction form
    647,635,793.40/971,393,459.85 = 181,339,421.94/x
  3. Step 3: Cross multiply
    647,635,793.40x = 971,393,459.85 × 181,339,421.94
  4. Step 4: Simplify right side
    647,635,793.40x = 176,151,928,485,495,616
  5. Step 5: Solve for x
    x = 176,151,928,485,495,616/647,635,793.40
  6. Step 6: Final answer
    x = 271,992,268.31

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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.