Home / 28,326,020,794.63-39,093,336,444.67-16,121,693,219.52

Finding the Fourth Proportional to 28,326,020,794.63, 39,093,336,444.67 and 16,121,693,219.52

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Solution

The fourth proportional to 28,326,020,794.63, 39,093,336,444.67 and 16,121,693,219.52 is: 22,249,887,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,020,794.63 : 39,093,336,444.67 = 16,121,693,219.52 : x
  2. Step 2: Convert to fraction form
    28,326,020,794.63/39,093,336,444.67 = 16,121,693,219.52/x
  3. Step 3: Cross multiply
    28,326,020,794.63x = 39,093,336,444.67 × 16,121,693,219.52
  4. Step 4: Simplify right side
    28,326,020,794.63x = 630,250,777,088,574,619,648
  5. Step 5: Solve for x
    x = 630,250,777,088,574,619,648/28,326,020,794.63
  6. Step 6: Final answer
    x = 22,249,887,538.32

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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.