Home / 85,229,535,540.64-127,872,695,528.40-28,575,004,624.96

Finding the Fourth Proportional to 85,229,535,540.64, 127,872,695,528.40 and 28,575,004,624.96

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Solution

The fourth proportional to 85,229,535,540.64, 127,872,695,528.40 and 28,575,004,624.96 is: 42,872,026,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229,535,540.64 : 127,872,695,528.40 = 28,575,004,624.96 : x
  2. Step 2: Convert to fraction form
    85,229,535,540.64/127,872,695,528.40 = 28,575,004,624.96/x
  3. Step 3: Cross multiply
    85,229,535,540.64x = 127,872,695,528.40 × 28,575,004,624.96
  4. Step 4: Simplify right side
    85,229,535,540.64x = 3,653,962,866,130,131,877,888
  5. Step 5: Solve for x
    x = 3,653,962,866,130,131,877,888/85,229,535,540.64
  6. Step 6: Final answer
    x = 42,872,026,028.91

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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.