Home / 946,809,905.47-1,306,484,493.75-523,366,362.61

Finding the Fourth Proportional to 946,809,905.47, 1,306,484,493.75 and 523,366,362.61

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Solution

The fourth proportional to 946,809,905.47, 1,306,484,493.75 and 523,366,362.61 is: 722,183,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,809,905.47 : 1,306,484,493.75 = 523,366,362.61 : x
  2. Step 2: Convert to fraction form
    946,809,905.47/1,306,484,493.75 = 523,366,362.61/x
  3. Step 3: Cross multiply
    946,809,905.47x = 1,306,484,493.75 × 523,366,362.61
  4. Step 4: Simplify right side
    946,809,905.47x = 683,770,037,300,304,768
  5. Step 5: Solve for x
    x = 683,770,037,300,304,768/946,809,905.47
  6. Step 6: Final answer
    x = 722,183,020.42

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1.5x scale

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.