Home / 859,545,956.48-1,185,330,754.35-545,735,360.39

Finding the Fourth Proportional to 859,545,956.48, 1,185,330,754.35 and 545,735,360.39

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Solution

The fourth proportional to 859,545,956.48, 1,185,330,754.35 and 545,735,360.39 is: 752,579,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,545,956.48 : 1,185,330,754.35 = 545,735,360.39 : x
  2. Step 2: Convert to fraction form
    859,545,956.48/1,185,330,754.35 = 545,735,360.39/x
  3. Step 3: Cross multiply
    859,545,956.48x = 1,185,330,754.35 × 545,735,360.39
  4. Step 4: Simplify right side
    859,545,956.48x = 646,876,906,400,621,056
  5. Step 5: Solve for x
    x = 646,876,906,400,621,056/859,545,956.48
  6. Step 6: Final answer
    x = 752,579,779.51

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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.