Home / 28,326,020,777.75-39,093,336,421.38-16,121,693,202.55

Finding the Fourth Proportional to 28,326,020,777.75, 39,093,336,421.38 and 16,121,693,202.55

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Solution

The fourth proportional to 28,326,020,777.75, 39,093,336,421.38 and 16,121,693,202.55 is: 22,249,887,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,020,777.75 : 39,093,336,421.38 = 16,121,693,202.55 : x
  2. Step 2: Convert to fraction form
    28,326,020,777.75/39,093,336,421.38 = 16,121,693,202.55/x
  3. Step 3: Cross multiply
    28,326,020,777.75x = 39,093,336,421.38 × 16,121,693,202.55
  4. Step 4: Simplify right side
    28,326,020,777.75x = 630,250,776,049,484,038,144
  5. Step 5: Solve for x
    x = 630,250,776,049,484,038,144/28,326,020,777.75
  6. Step 6: Final answer
    x = 22,249,887,514.89

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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.