Home / 1,310,916,799.44-1,966,658,634.24-697,411,861.20

Finding the Fourth Proportional to 1,310,916,799.44, 1,966,658,634.24 and 697,411,861.20

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Solution

The fourth proportional to 1,310,916,799.44, 1,966,658,634.24 and 697,411,861.20 is: 1,046,268,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,916,799.44 : 1,966,658,634.24 = 697,411,861.20 : x
  2. Step 2: Convert to fraction form
    1,310,916,799.44/1,966,658,634.24 = 697,411,861.20/x
  3. Step 3: Cross multiply
    1,310,916,799.44x = 1,966,658,634.24 × 697,411,861.20
  4. Step 4: Simplify right side
    1,310,916,799.44x = 1,371,571,058,450,368,512
  5. Step 5: Solve for x
    x = 1,371,571,058,450,368,512/1,310,916,799.44
  6. Step 6: Final answer
    x = 1,046,268,580.15

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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.