Home / 1,175,167,429.77-1,621,730,979-646,520,074.83

Finding the Fourth Proportional to 1,175,167,429.77, 1,621,730,979 and 646,520,074.83

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Solution

The fourth proportional to 1,175,167,429.77, 1,621,730,979 and 646,520,074.83 is: 892,197,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,167,429.77 : 1,621,730,979 = 646,520,074.83 : x
  2. Step 2: Convert to fraction form
    1,175,167,429.77/1,621,730,979 = 646,520,074.83/x
  3. Step 3: Cross multiply
    1,175,167,429.77x = 1,621,730,979 × 646,520,074.83
  4. Step 4: Simplify right side
    1,175,167,429.77x = 1,048,481,633,897,209,216
  5. Step 5: Solve for x
    x = 1,048,481,633,897,209,216/1,175,167,429.77
  6. Step 6: Final answer
    x = 892,197,662.51

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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.