Home / 839,031,463.40-1,258,998,410.46-808,492,035.56

Finding the Fourth Proportional to 839,031,463.40, 1,258,998,410.46 and 808,492,035.56

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Solution

The fourth proportional to 839,031,463.40, 1,258,998,410.46 and 808,492,035.56 is: 1,213,172,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,031,463.40 : 1,258,998,410.46 = 808,492,035.56 : x
  2. Step 2: Convert to fraction form
    839,031,463.40/1,258,998,410.46 = 808,492,035.56/x
  3. Step 3: Cross multiply
    839,031,463.40x = 1,258,998,410.46 × 808,492,035.56
  4. Step 4: Simplify right side
    839,031,463.40x = 1,017,890,187,639,609,728
  5. Step 5: Solve for x
    x = 1,017,890,187,639,609,728/839,031,463.40
  6. Step 6: Final answer
    x = 1,213,172,845.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.