Home / 693,506,392.44-1,040,100,403.61-413,466,546.39

Finding the Fourth Proportional to 693,506,392.44, 1,040,100,403.61 and 413,466,546.39

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Solution

The fourth proportional to 693,506,392.44, 1,040,100,403.61 and 413,466,546.39 is: 620,104,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,506,392.44 : 1,040,100,403.61 = 413,466,546.39 : x
  2. Step 2: Convert to fraction form
    693,506,392.44/1,040,100,403.61 = 413,466,546.39/x
  3. Step 3: Cross multiply
    693,506,392.44x = 1,040,100,403.61 × 413,466,546.39
  4. Step 4: Simplify right side
    693,506,392.44x = 430,046,721,779,471,808
  5. Step 5: Solve for x
    x = 430,046,721,779,471,808/693,506,392.44
  6. Step 6: Final answer
    x = 620,104,913.91

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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.