Home / 811,196,823.69-1,119,498,816.24-453,961,579.30

Finding the Fourth Proportional to 811,196,823.69, 1,119,498,816.24 and 453,961,579.30

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Solution

The fourth proportional to 811,196,823.69, 1,119,498,816.24 and 453,961,579.30 is: 626,493,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,196,823.69 : 1,119,498,816.24 = 453,961,579.30 : x
  2. Step 2: Convert to fraction form
    811,196,823.69/1,119,498,816.24 = 453,961,579.30/x
  3. Step 3: Cross multiply
    811,196,823.69x = 1,119,498,816.24 × 453,961,579.30
  4. Step 4: Simplify right side
    811,196,823.69x = 508,209,450,641,992,192
  5. Step 5: Solve for x
    x = 508,209,450,641,992,192/811,196,823.69
  6. Step 6: Final answer
    x = 626,493,393.22

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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.