Home / 433,103,636.40-649,655,454.60-260,916,752.40

Finding the Fourth Proportional to 433,103,636.40, 649,655,454.60 and 260,916,752.40

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Solution

The fourth proportional to 433,103,636.40, 649,655,454.60 and 260,916,752.40 is: 391,375,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,103,636.40 : 649,655,454.60 = 260,916,752.40 : x
  2. Step 2: Convert to fraction form
    433,103,636.40/649,655,454.60 = 260,916,752.40/x
  3. Step 3: Cross multiply
    433,103,636.40x = 649,655,454.60 × 260,916,752.40
  4. Step 4: Simplify right side
    433,103,636.40x = 169,505,991,393,177,664
  5. Step 5: Solve for x
    x = 169,505,991,393,177,664/433,103,636.40
  6. Step 6: Final answer
    x = 391,375,128.60

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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.