Home / 28,326,020,818.06-39,093,336,477.03-16,121,693,242.90

Finding the Fourth Proportional to 28,326,020,818.06, 39,093,336,477.03 and 16,121,693,242.90

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Solution

The fourth proportional to 28,326,020,818.06, 39,093,336,477.03 and 16,121,693,242.90 is: 22,249,887,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,020,818.06 : 39,093,336,477.03 = 16,121,693,242.90 : x
  2. Step 2: Convert to fraction form
    28,326,020,818.06/39,093,336,477.03 = 16,121,693,242.90/x
  3. Step 3: Cross multiply
    28,326,020,818.06x = 39,093,336,477.03 × 16,121,693,242.90
  4. Step 4: Simplify right side
    28,326,020,818.06x = 630,250,778,524,150,661,120
  5. Step 5: Solve for x
    x = 630,250,778,524,150,661,120/28,326,020,818.06
  6. Step 6: Final answer
    x = 22,249,887,570.59

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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.