Home / 1,091,200,407.97-1,505,857,166.04-589,409,188.67

Finding the Fourth Proportional to 1,091,200,407.97, 1,505,857,166.04 and 589,409,188.67

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Solution

The fourth proportional to 1,091,200,407.97, 1,505,857,166.04 and 589,409,188.67 is: 813,385,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,200,407.97 : 1,505,857,166.04 = 589,409,188.67 : x
  2. Step 2: Convert to fraction form
    1,091,200,407.97/1,505,857,166.04 = 589,409,188.67/x
  3. Step 3: Cross multiply
    1,091,200,407.97x = 1,505,857,166.04 × 589,409,188.67
  4. Step 4: Simplify right side
    1,091,200,407.97x = 887,566,050,488,541,824
  5. Step 5: Solve for x
    x = 887,566,050,488,541,824/1,091,200,407.97
  6. Step 6: Final answer
    x = 813,385,006.10

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Double scale
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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.