Home / 253,892,549,636.94-350,361,143,934.72-138,149,763,805.39

Finding the Fourth Proportional to 253,892,549,636.94, 350,361,143,934.72 and 138,149,763,805.39

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Solution

The fourth proportional to 253,892,549,636.94, 350,361,143,934.72 and 138,149,763,805.39 is: 190,640,920,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,892,549,636.94 : 350,361,143,934.72 = 138,149,763,805.39 : x
  2. Step 2: Convert to fraction form
    253,892,549,636.94/350,361,143,934.72 = 138,149,763,805.39/x
  3. Step 3: Cross multiply
    253,892,549,636.94x = 350,361,143,934.72 × 138,149,763,805.39
  4. Step 4: Simplify right side
    253,892,549,636.94x = 48,402,309,281,167,817,310,208
  5. Step 5: Solve for x
    x = 48,402,309,281,167,817,310,208/253,892,549,636.94
  6. Step 6: Final answer
    x = 190,640,920,146.66

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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.