Home / 1,206,108,767.80-1,809,163,151.70-516,085,773.40

Finding the Fourth Proportional to 1,206,108,767.80, 1,809,163,151.70 and 516,085,773.40

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Solution

The fourth proportional to 1,206,108,767.80, 1,809,163,151.70 and 516,085,773.40 is: 774,128,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,108,767.80 : 1,809,163,151.70 = 516,085,773.40 : x
  2. Step 2: Convert to fraction form
    1,206,108,767.80/1,809,163,151.70 = 516,085,773.40/x
  3. Step 3: Cross multiply
    1,206,108,767.80x = 1,809,163,151.70 × 516,085,773.40
  4. Step 4: Simplify right side
    1,206,108,767.80x = 933,683,364,351,875,968
  5. Step 5: Solve for x
    x = 933,683,364,351,875,968/1,206,108,767.80
  6. Step 6: Final answer
    x = 774,128,660.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.