Home / 253,892,549,595.25-350,361,143,877.48-138,149,763,763.64

Finding the Fourth Proportional to 253,892,549,595.25, 350,361,143,877.48 and 138,149,763,763.64

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Solution

The fourth proportional to 253,892,549,595.25, 350,361,143,877.48 and 138,149,763,763.64 is: 190,640,920,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,892,549,595.25 : 350,361,143,877.48 = 138,149,763,763.64 : x
  2. Step 2: Convert to fraction form
    253,892,549,595.25/350,361,143,877.48 = 138,149,763,763.64/x
  3. Step 3: Cross multiply
    253,892,549,595.25x = 350,361,143,877.48 × 138,149,763,763.64
  4. Step 4: Simplify right side
    253,892,549,595.25x = 48,402,309,258,632,551,727,104
  5. Step 5: Solve for x
    x = 48,402,309,258,632,551,727,104/253,892,549,595.25
  6. Step 6: Final answer
    x = 190,640,920,089.21

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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.