Home / 928,013,133.15-1,284,030,477.99-809,183,341.89

Finding the Fourth Proportional to 928,013,133.15, 1,284,030,477.99 and 809,183,341.89

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Solution

The fourth proportional to 928,013,133.15, 1,284,030,477.99 and 809,183,341.89 is: 1,119,613,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,013,133.15 : 1,284,030,477.99 = 809,183,341.89 : x
  2. Step 2: Convert to fraction form
    928,013,133.15/1,284,030,477.99 = 809,183,341.89/x
  3. Step 3: Cross multiply
    928,013,133.15x = 1,284,030,477.99 × 809,183,341.89
  4. Step 4: Simplify right side
    928,013,133.15x = 1,039,016,073,268,562,304
  5. Step 5: Solve for x
    x = 1,039,016,073,268,562,304/928,013,133.15
  6. Step 6: Final answer
    x = 1,119,613,544.41

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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.