Home / 788,977,989.95-1,088,790,901.58-436,568,834.03

Finding the Fourth Proportional to 788,977,989.95, 1,088,790,901.58 and 436,568,834.03

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Solution

The fourth proportional to 788,977,989.95, 1,088,790,901.58 and 436,568,834.03 is: 602,465,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,977,989.95 : 1,088,790,901.58 = 436,568,834.03 : x
  2. Step 2: Convert to fraction form
    788,977,989.95/1,088,790,901.58 = 436,568,834.03/x
  3. Step 3: Cross multiply
    788,977,989.95x = 1,088,790,901.58 × 436,568,834.03
  4. Step 4: Simplify right side
    788,977,989.95x = 475,332,174,400,900,544
  5. Step 5: Solve for x
    x = 475,332,174,400,900,544/788,977,989.95
  6. Step 6: Final answer
    x = 602,465,696.71

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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.