Home / 28,326,020,733.61-39,093,336,360.41-16,121,693,158.22

Finding the Fourth Proportional to 28,326,020,733.61, 39,093,336,360.41 and 16,121,693,158.22

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Solution

The fourth proportional to 28,326,020,733.61, 39,093,336,360.41 and 16,121,693,158.22 is: 22,249,887,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,020,733.61 : 39,093,336,360.41 = 16,121,693,158.22 : x
  2. Step 2: Convert to fraction form
    28,326,020,733.61/39,093,336,360.41 = 16,121,693,158.22/x
  3. Step 3: Cross multiply
    28,326,020,733.61x = 39,093,336,360.41 × 16,121,693,158.22
  4. Step 4: Simplify right side
    28,326,020,733.61x = 630,250,773,333,612,560,384
  5. Step 5: Solve for x
    x = 630,250,773,333,612,560,384/28,326,020,733.61
  6. Step 6: Final answer
    x = 22,249,887,453.69

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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.