Home / 664,848,043.20-997,272,064.80-655,778,116.80

Finding the Fourth Proportional to 664,848,043.20, 997,272,064.80 and 655,778,116.80

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Solution

The fourth proportional to 664,848,043.20, 997,272,064.80 and 655,778,116.80 is: 983,667,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,043.20 : 997,272,064.80 = 655,778,116.80 : x
  2. Step 2: Convert to fraction form
    664,848,043.20/997,272,064.80 = 655,778,116.80/x
  3. Step 3: Cross multiply
    664,848,043.20x = 997,272,064.80 × 655,778,116.80
  4. Step 4: Simplify right side
    664,848,043.20x = 653,989,196,591,791,488
  5. Step 5: Solve for x
    x = 653,989,196,591,791,488/664,848,043.20
  6. Step 6: Final answer
    x = 983,667,175.20

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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.