Home / 913,629,357.44-1,370,282,038.92-415,523,200.57

Finding the Fourth Proportional to 913,629,357.44, 1,370,282,038.92 and 415,523,200.57

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Solution

The fourth proportional to 913,629,357.44, 1,370,282,038.92 and 415,523,200.57 is: 623,211,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,629,357.44 : 1,370,282,038.92 = 415,523,200.57 : x
  2. Step 2: Convert to fraction form
    913,629,357.44/1,370,282,038.92 = 415,523,200.57/x
  3. Step 3: Cross multiply
    913,629,357.44x = 1,370,282,038.92 × 415,523,200.57
  4. Step 4: Simplify right side
    913,629,357.44x = 569,383,978,495,623,744
  5. Step 5: Solve for x
    x = 569,383,978,495,623,744/913,629,357.44
  6. Step 6: Final answer
    x = 623,211,123.70

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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.