Home / 8,559,868,452.24-11,770,729,803.84-7,428,874,686.88

Finding the Fourth Proportional to 8,559,868,452.24, 11,770,729,803.84 and 7,428,874,686.88

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Solution

The fourth proportional to 8,559,868,452.24, 11,770,729,803.84 and 7,428,874,686.88 is: 10,215,493,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559,868,452.24 : 11,770,729,803.84 = 7,428,874,686.88 : x
  2. Step 2: Convert to fraction form
    8,559,868,452.24/11,770,729,803.84 = 7,428,874,686.88/x
  3. Step 3: Cross multiply
    8,559,868,452.24x = 11,770,729,803.84 × 7,428,874,686.88
  4. Step 4: Simplify right side
    8,559,868,452.24x = 87,443,276,685,850,968,064
  5. Step 5: Solve for x
    x = 87,443,276,685,850,968,064/8,559,868,452.24
  6. Step 6: Final answer
    x = 10,215,493,050.36

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1.5x scale

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.