Home / 72,430,807,659.23-108,646,185,917.28-19,370,461,733.39

Finding the Fourth Proportional to 72,430,807,659.23, 108,646,185,917.28 and 19,370,461,733.39

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Solution

The fourth proportional to 72,430,807,659.23, 108,646,185,917.28 and 19,370,461,733.39 is: 29,055,685,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,430,807,659.23 : 108,646,185,917.28 = 19,370,461,733.39 : x
  2. Step 2: Convert to fraction form
    72,430,807,659.23/108,646,185,917.28 = 19,370,461,733.39/x
  3. Step 3: Cross multiply
    72,430,807,659.23x = 108,646,185,917.28 × 19,370,461,733.39
  4. Step 4: Simplify right side
    72,430,807,659.23x = 2,104,526,786,789,447,565,312
  5. Step 5: Solve for x
    x = 2,104,526,786,789,447,565,312/72,430,807,659.23
  6. Step 6: Final answer
    x = 29,055,685,761.38

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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.