Home / 821,510,475.50-1,232,275,179.54-296,919,417.84

Finding the Fourth Proportional to 821,510,475.50, 1,232,275,179.54 and 296,919,417.84

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Solution

The fourth proportional to 821,510,475.50, 1,232,275,179.54 and 296,919,417.84 is: 445,382,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,510,475.50 : 1,232,275,179.54 = 296,919,417.84 : x
  2. Step 2: Convert to fraction form
    821,510,475.50/1,232,275,179.54 = 296,919,417.84/x
  3. Step 3: Cross multiply
    821,510,475.50x = 1,232,275,179.54 × 296,919,417.84
  4. Step 4: Simplify right side
    821,510,475.50x = 365,886,428,927,698,240
  5. Step 5: Solve for x
    x = 365,886,428,927,698,240/821,510,475.50
  6. Step 6: Final answer
    x = 445,382,548.17

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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.