Home / 979,986,340.89-1,352,364,122.43-533,953,369.80

Finding the Fourth Proportional to 979,986,340.89, 1,352,364,122.43 and 533,953,369.80

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Solution

The fourth proportional to 979,986,340.89, 1,352,364,122.43 and 533,953,369.80 is: 736,846,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,986,340.89 : 1,352,364,122.43 = 533,953,369.80 : x
  2. Step 2: Convert to fraction form
    979,986,340.89/1,352,364,122.43 = 533,953,369.80/x
  3. Step 3: Cross multiply
    979,986,340.89x = 1,352,364,122.43 × 533,953,369.80
  4. Step 4: Simplify right side
    979,986,340.89x = 722,099,380,368,118,272
  5. Step 5: Solve for x
    x = 722,099,380,368,118,272/979,986,340.89
  6. Step 6: Final answer
    x = 736,846,372.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.