Home / 907,825,423.60-1,361,738,135.40-540,493,404.40

Finding the Fourth Proportional to 907,825,423.60, 1,361,738,135.40 and 540,493,404.40

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Solution

The fourth proportional to 907,825,423.60, 1,361,738,135.40 and 540,493,404.40 is: 810,740,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,825,423.60 : 1,361,738,135.40 = 540,493,404.40 : x
  2. Step 2: Convert to fraction form
    907,825,423.60/1,361,738,135.40 = 540,493,404.40/x
  3. Step 3: Cross multiply
    907,825,423.60x = 1,361,738,135.40 × 540,493,404.40
  4. Step 4: Simplify right side
    907,825,423.60x = 736,010,480,703,654,144
  5. Step 5: Solve for x
    x = 736,010,480,703,654,144/907,825,423.60
  6. Step 6: Final answer
    x = 810,740,106.60

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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.