Home / 1,678,683,233.10-2,518,029,573.57-643,861,317.90

Finding the Fourth Proportional to 1,678,683,233.10, 2,518,029,573.57 and 643,861,317.90

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Solution

The fourth proportional to 1,678,683,233.10, 2,518,029,573.57 and 643,861,317.90 is: 965,793,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,683,233.10 : 2,518,029,573.57 = 643,861,317.90 : x
  2. Step 2: Convert to fraction form
    1,678,683,233.10/2,518,029,573.57 = 643,861,317.90/x
  3. Step 3: Cross multiply
    1,678,683,233.10x = 2,518,029,573.57 × 643,861,317.90
  4. Step 4: Simplify right side
    1,678,683,233.10x = 1,621,261,839,749,955,328
  5. Step 5: Solve for x
    x = 1,621,261,839,749,955,328/1,678,683,233.10
  6. Step 6: Final answer
    x = 965,793,788.72

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Why These Related Problems?

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