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Finding the Fourth Proportional to 697,771,773.24, 962,931,504.12 and 384,517,197

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Solution

The fourth proportional to 697,771,773.24, 962,931,504.12 and 384,517,197 is: 530,637,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,771,773.24 : 962,931,504.12 = 384,517,197 : x
  2. Step 2: Convert to fraction form
    697,771,773.24/962,931,504.12 = 384,517,197/x
  3. Step 3: Cross multiply
    697,771,773.24x = 962,931,504.12 × 384,517,197
  4. Step 4: Simplify right side
    697,771,773.24x = 370,263,722,867,216,384
  5. Step 5: Solve for x
    x = 370,263,722,867,216,384/697,771,773.24
  6. Step 6: Final answer
    x = 530,637,290.11

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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.