Home / 807,206,310.81-1,113,944,666.27-435,928,306.41

Finding the Fourth Proportional to 807,206,310.81, 1,113,944,666.27 and 435,928,306.41

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Solution

The fourth proportional to 807,206,310.81, 1,113,944,666.27 and 435,928,306.41 is: 601,581,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,206,310.81 : 1,113,944,666.27 = 435,928,306.41 : x
  2. Step 2: Convert to fraction form
    807,206,310.81/1,113,944,666.27 = 435,928,306.41/x
  3. Step 3: Cross multiply
    807,206,310.81x = 1,113,944,666.27 × 435,928,306.41
  4. Step 4: Simplify right side
    807,206,310.81x = 485,600,011,797,053,824
  5. Step 5: Solve for x
    x = 485,600,011,797,053,824/807,206,310.81
  6. Step 6: Final answer
    x = 601,581,039.81

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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.