Home / 858,510,207.90-1,287,933,273.45-367,222,527.90

Finding the Fourth Proportional to 858,510,207.90, 1,287,933,273.45 and 367,222,527.90

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Solution

The fourth proportional to 858,510,207.90, 1,287,933,273.45 and 367,222,527.90 is: 550,905,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,510,207.90 : 1,287,933,273.45 = 367,222,527.90 : x
  2. Step 2: Convert to fraction form
    858,510,207.90/1,287,933,273.45 = 367,222,527.90/x
  3. Step 3: Cross multiply
    858,510,207.90x = 1,287,933,273.45 × 367,222,527.90
  4. Step 4: Simplify right side
    858,510,207.90x = 472,958,112,442,830,912
  5. Step 5: Solve for x
    x = 472,958,112,442,830,912/858,510,207.90
  6. Step 6: Final answer
    x = 550,905,636.40

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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.