Home / 28,321,765,402.01-39,083,837,429.46-15,461,405,360.11

Finding the Fourth Proportional to 28,321,765,402.01, 39,083,837,429.46 and 15,461,405,360.11

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Solution

The fourth proportional to 28,321,765,402.01, 39,083,837,429.46 and 15,461,405,360.11 is: 21,336,630,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321,765,402.01 : 39,083,837,429.46 = 15,461,405,360.11 : x
  2. Step 2: Convert to fraction form
    28,321,765,402.01/39,083,837,429.46 = 15,461,405,360.11/x
  3. Step 3: Cross multiply
    28,321,765,402.01x = 39,083,837,429.46 × 15,461,405,360.11
  4. Step 4: Simplify right side
    28,321,765,402.01x = 604,291,053,525,621,538,816
  5. Step 5: Solve for x
    x = 604,291,053,525,621,538,816/28,321,765,402.01
  6. Step 6: Final answer
    x = 21,336,630,854.33

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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.