Home / 788,977,992.44-1,088,790,905.04-436,568,836.52

Finding the Fourth Proportional to 788,977,992.44, 1,088,790,905.04 and 436,568,836.52

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Solution

The fourth proportional to 788,977,992.44, 1,088,790,905.04 and 436,568,836.52 is: 602,465,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,977,992.44 : 1,088,790,905.04 = 436,568,836.52 : x
  2. Step 2: Convert to fraction form
    788,977,992.44/1,088,790,905.04 = 436,568,836.52/x
  3. Step 3: Cross multiply
    788,977,992.44x = 1,088,790,905.04 × 436,568,836.52
  4. Step 4: Simplify right side
    788,977,992.44x = 475,332,178,626,870,592
  5. Step 5: Solve for x
    x = 475,332,178,626,870,592/788,977,992.44
  6. Step 6: Final answer
    x = 602,465,700.16

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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.