Home / 18,888,193,811.60-28,332,290,717.40-5,802,641,478.80

Finding the Fourth Proportional to 18,888,193,811.60, 28,332,290,717.40 and 5,802,641,478.80

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Solution

The fourth proportional to 18,888,193,811.60, 28,332,290,717.40 and 5,802,641,478.80 is: 8,703,962,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,193,811.60 : 28,332,290,717.40 = 5,802,641,478.80 : x
  2. Step 2: Convert to fraction form
    18,888,193,811.60/28,332,290,717.40 = 5,802,641,478.80/x
  3. Step 3: Cross multiply
    18,888,193,811.60x = 28,332,290,717.40 × 5,802,641,478.80
  4. Step 4: Simplify right side
    18,888,193,811.60x = 164,402,125,306,205,470,720
  5. Step 5: Solve for x
    x = 164,402,125,306,205,470,720/18,888,193,811.60
  6. Step 6: Final answer
    x = 8,703,962,218.20

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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.