Home / 936,139,085.20-1,404,432,576.60-451,065,984.40

Finding the Fourth Proportional to 936,139,085.20, 1,404,432,576.60 and 451,065,984.40

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Solution

The fourth proportional to 936,139,085.20, 1,404,432,576.60 and 451,065,984.40 is: 676,706,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,139,085.20 : 1,404,432,576.60 = 451,065,984.40 : x
  2. Step 2: Convert to fraction form
    936,139,085.20/1,404,432,576.60 = 451,065,984.40/x
  3. Step 3: Cross multiply
    936,139,085.20x = 1,404,432,576.60 × 451,065,984.40
  4. Step 4: Simplify right side
    936,139,085.20x = 633,491,762,687,507,328
  5. Step 5: Solve for x
    x = 633,491,762,687,507,328/936,139,085.20
  6. Step 6: Final answer
    x = 676,706,883.31

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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.