Home / 1,889,568,007.20-2,834,352,010.80-579,672,230.40

Finding the Fourth Proportional to 1,889,568,007.20, 2,834,352,010.80 and 579,672,230.40

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Solution

The fourth proportional to 1,889,568,007.20, 2,834,352,010.80 and 579,672,230.40 is: 869,508,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,568,007.20 : 2,834,352,010.80 = 579,672,230.40 : x
  2. Step 2: Convert to fraction form
    1,889,568,007.20/2,834,352,010.80 = 579,672,230.40/x
  3. Step 3: Cross multiply
    1,889,568,007.20x = 2,834,352,010.80 × 579,672,230.40
  4. Step 4: Simplify right side
    1,889,568,007.20x = 1,642,995,151,839,160,832
  5. Step 5: Solve for x
    x = 1,642,995,151,839,160,832/1,889,568,007.20
  6. Step 6: Final answer
    x = 869,508,345.60

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1.5x scale

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.