Home / 28,326,020,795.53-39,093,336,445.88-16,121,693,220.41

Finding the Fourth Proportional to 28,326,020,795.53, 39,093,336,445.88 and 16,121,693,220.41

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Solution

The fourth proportional to 28,326,020,795.53, 39,093,336,445.88 and 16,121,693,220.41 is: 22,249,887,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,020,795.53 : 39,093,336,445.88 = 16,121,693,220.41 : x
  2. Step 2: Convert to fraction form
    28,326,020,795.53/39,093,336,445.88 = 16,121,693,220.41/x
  3. Step 3: Cross multiply
    28,326,020,795.53x = 39,093,336,445.88 × 16,121,693,220.41
  4. Step 4: Simplify right side
    28,326,020,795.53x = 630,250,777,142,750,740,480
  5. Step 5: Solve for x
    x = 630,250,777,142,750,740,480/28,326,020,795.53
  6. Step 6: Final answer
    x = 22,249,887,539.52

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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.