Home / 788,977,990.95-1,088,790,902.96-436,568,835.03

Finding the Fourth Proportional to 788,977,990.95, 1,088,790,902.96 and 436,568,835.03

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Solution

The fourth proportional to 788,977,990.95, 1,088,790,902.96 and 436,568,835.03 is: 602,465,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,977,990.95 : 1,088,790,902.96 = 436,568,835.03 : x
  2. Step 2: Convert to fraction form
    788,977,990.95/1,088,790,902.96 = 436,568,835.03/x
  3. Step 3: Cross multiply
    788,977,990.95x = 1,088,790,902.96 × 436,568,835.03
  4. Step 4: Simplify right side
    788,977,990.95x = 475,332,176,096,508,992
  5. Step 5: Solve for x
    x = 475,332,176,096,508,992/788,977,990.95
  6. Step 6: Final answer
    x = 602,465,698.09

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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.