Home / 433,103,630.40-649,655,445.60-260,916,746.40

Finding the Fourth Proportional to 433,103,630.40, 649,655,445.60 and 260,916,746.40

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Solution

The fourth proportional to 433,103,630.40, 649,655,445.60 and 260,916,746.40 is: 391,375,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,103,630.40 : 649,655,445.60 = 260,916,746.40 : x
  2. Step 2: Convert to fraction form
    433,103,630.40/649,655,445.60 = 260,916,746.40/x
  3. Step 3: Cross multiply
    433,103,630.40x = 649,655,445.60 × 260,916,746.40
  4. Step 4: Simplify right side
    433,103,630.40x = 169,505,985,146,994,208
  5. Step 5: Solve for x
    x = 169,505,985,146,994,208/433,103,630.40
  6. Step 6: Final answer
    x = 391,375,119.60

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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.