Home / 660,074,520-910,910,087.64-362,716,839.12

Finding the Fourth Proportional to 660,074,520, 910,910,087.64 and 362,716,839.12

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Solution

The fourth proportional to 660,074,520, 910,910,087.64 and 362,716,839.12 is: 500,553,221.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,074,520 : 910,910,087.64 = 362,716,839.12 : x
  2. Step 2: Convert to fraction form
    660,074,520/910,910,087.64 = 362,716,839.12/x
  3. Step 3: Cross multiply
    660,074,520x = 910,910,087.64 × 362,716,839.12
  4. Step 4: Simplify right side
    660,074,520x = 330,402,427,711,302,976
  5. Step 5: Solve for x
    x = 330,402,427,711,302,976/660,074,520
  6. Step 6: Final answer
    x = 500,553,221.95

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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.