Home / 553,464,807.77-763,790,508.89-330,465,976.33

Finding the Fourth Proportional to 553,464,807.77, 763,790,508.89 and 330,465,976.33

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Solution

The fourth proportional to 553,464,807.77, 763,790,508.89 and 330,465,976.33 is: 456,048,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,464,807.77 : 763,790,508.89 = 330,465,976.33 : x
  2. Step 2: Convert to fraction form
    553,464,807.77/763,790,508.89 = 330,465,976.33/x
  3. Step 3: Cross multiply
    553,464,807.77x = 763,790,508.89 × 330,465,976.33
  4. Step 4: Simplify right side
    553,464,807.77x = 252,406,776,233,517,216
  5. Step 5: Solve for x
    x = 252,406,776,233,517,216/553,464,807.77
  6. Step 6: Final answer
    x = 456,048,465.39

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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.