Home / 1,156,147,485.75-1,595,484,711.14-627,511,580.82

Finding the Fourth Proportional to 1,156,147,485.75, 1,595,484,711.14 and 627,511,580.82

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Solution

The fourth proportional to 1,156,147,485.75, 1,595,484,711.14 and 627,511,580.82 is: 865,966,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,147,485.75 : 1,595,484,711.14 = 627,511,580.82 : x
  2. Step 2: Convert to fraction form
    1,156,147,485.75/1,595,484,711.14 = 627,511,580.82/x
  3. Step 3: Cross multiply
    1,156,147,485.75x = 1,595,484,711.14 × 627,511,580.82
  4. Step 4: Simplify right side
    1,156,147,485.75x = 1,001,185,133,252,481,792
  5. Step 5: Solve for x
    x = 1,001,185,133,252,481,792/1,156,147,485.75
  6. Step 6: Final answer
    x = 865,966,622.42

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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.