Home / 85,229,535,538.60-127,872,695,525.40-28,575,004,622.92

Finding the Fourth Proportional to 85,229,535,538.60, 127,872,695,525.40 and 28,575,004,622.92

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Solution

The fourth proportional to 85,229,535,538.60, 127,872,695,525.40 and 28,575,004,622.92 is: 42,872,026,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229,535,538.60 : 127,872,695,525.40 = 28,575,004,622.92 : x
  2. Step 2: Convert to fraction form
    85,229,535,538.60/127,872,695,525.40 = 28,575,004,622.92/x
  3. Step 3: Cross multiply
    85,229,535,538.60x = 127,872,695,525.40 × 28,575,004,622.92
  4. Step 4: Simplify right side
    85,229,535,538.60x = 3,653,962,865,783,546,052,608
  5. Step 5: Solve for x
    x = 3,653,962,865,783,546,052,608/85,229,535,538.60
  6. Step 6: Final answer
    x = 42,872,026,025.87

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1.5x scale

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.