Home / 1,074,940,456.39-1,612,502,197.71-328,123,973.50

Finding the Fourth Proportional to 1,074,940,456.39, 1,612,502,197.71 and 328,123,973.50

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Solution

The fourth proportional to 1,074,940,456.39, 1,612,502,197.71 and 328,123,973.50 is: 492,213,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,940,456.39 : 1,612,502,197.71 = 328,123,973.50 : x
  2. Step 2: Convert to fraction form
    1,074,940,456.39/1,612,502,197.71 = 328,123,973.50/x
  3. Step 3: Cross multiply
    1,074,940,456.39x = 1,612,502,197.71 × 328,123,973.50
  4. Step 4: Simplify right side
    1,074,940,456.39x = 529,100,628,390,087,808
  5. Step 5: Solve for x
    x = 529,100,628,390,087,808/1,074,940,456.39
  6. Step 6: Final answer
    x = 492,213,894.50

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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.