Home / 31,886,783,999.20-47,830,175,998.80-17,009,837,221.60

Finding the Fourth Proportional to 31,886,783,999.20, 47,830,175,998.80 and 17,009,837,221.60

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Solution

The fourth proportional to 31,886,783,999.20, 47,830,175,998.80 and 17,009,837,221.60 is: 25,514,755,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886,783,999.20 : 47,830,175,998.80 = 17,009,837,221.60 : x
  2. Step 2: Convert to fraction form
    31,886,783,999.20/47,830,175,998.80 = 17,009,837,221.60/x
  3. Step 3: Cross multiply
    31,886,783,999.20x = 47,830,175,998.80 × 17,009,837,221.60
  4. Step 4: Simplify right side
    31,886,783,999.20x = 813,583,508,020,067,303,424
  5. Step 5: Solve for x
    x = 813,583,508,020,067,303,424/31,886,783,999.20
  6. Step 6: Final answer
    x = 25,514,755,832.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.