Home / 290,336,750.40-435,505,125.60-263,462,894.40

Finding the Fourth Proportional to 290,336,750.40, 435,505,125.60 and 263,462,894.40

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Solution

The fourth proportional to 290,336,750.40, 435,505,125.60 and 263,462,894.40 is: 395,194,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,336,750.40 : 435,505,125.60 = 263,462,894.40 : x
  2. Step 2: Convert to fraction form
    290,336,750.40/435,505,125.60 = 263,462,894.40/x
  3. Step 3: Cross multiply
    290,336,750.40x = 435,505,125.60 × 263,462,894.40
  4. Step 4: Simplify right side
    290,336,750.40x = 114,739,440,916,611,552
  5. Step 5: Solve for x
    x = 114,739,440,916,611,552/290,336,750.40
  6. Step 6: Final answer
    x = 395,194,341.60

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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.