Home / 697,729,515.85-962,823,347.63-384,446,198.17

Finding the Fourth Proportional to 697,729,515.85, 962,823,347.63 and 384,446,198.17

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Solution

The fourth proportional to 697,729,515.85, 962,823,347.63 and 384,446,198.17 is: 530,511,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,729,515.85 : 962,823,347.63 = 384,446,198.17 : x
  2. Step 2: Convert to fraction form
    697,729,515.85/962,823,347.63 = 384,446,198.17/x
  3. Step 3: Cross multiply
    697,729,515.85x = 962,823,347.63 × 384,446,198.17
  4. Step 4: Simplify right side
    697,729,515.85x = 370,153,775,503,743,552
  5. Step 5: Solve for x
    x = 370,153,775,503,743,552/697,729,515.85
  6. Step 6: Final answer
    x = 530,511,848.93

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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.