Home / 1,255,190,590.38-1,732,110,999.83-682,976,005.41

Finding the Fourth Proportional to 1,255,190,590.38, 1,732,110,999.83 and 682,976,005.41

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Solution

The fourth proportional to 1,255,190,590.38, 1,732,110,999.83 and 682,976,005.41 is: 942,478,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,190,590.38 : 1,732,110,999.83 = 682,976,005.41 : x
  2. Step 2: Convert to fraction form
    1,255,190,590.38/1,732,110,999.83 = 682,976,005.41/x
  3. Step 3: Cross multiply
    1,255,190,590.38x = 1,732,110,999.83 × 682,976,005.41
  4. Step 4: Simplify right side
    1,255,190,590.38x = 1,182,990,251,592,413,952
  5. Step 5: Solve for x
    x = 1,182,990,251,592,413,952/1,255,190,590.38
  6. Step 6: Final answer
    x = 942,478,585.05

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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.