Home / 632,103,733,015.20-872,153,644,404.08-357,749,385,380.20

Finding the Fourth Proportional to 632,103,733,015.20, 872,153,644,404.08 and 357,749,385,380.20

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Solution

The fourth proportional to 632,103,733,015.20, 872,153,644,404.08 and 357,749,385,380.20 is: 493,609,535,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,103,733,015.20 : 872,153,644,404.08 = 357,749,385,380.20 : x
  2. Step 2: Convert to fraction form
    632,103,733,015.20/872,153,644,404.08 = 357,749,385,380.20/x
  3. Step 3: Cross multiply
    632,103,733,015.20x = 872,153,644,404.08 × 357,749,385,380.20
  4. Step 4: Simplify right side
    632,103,733,015.20x = 312,012,430,242,661,137,383,424
  5. Step 5: Solve for x
    x = 312,012,430,242,661,137,383,424/632,103,733,015.20
  6. Step 6: Final answer
    x = 493,609,535,818.32

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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.