Home / 8,119,086,702.98-12,178,683,863.31-3,145,360,942.58

Finding the Fourth Proportional to 8,119,086,702.98, 12,178,683,863.31 and 3,145,360,942.58

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Solution

The fourth proportional to 8,119,086,702.98, 12,178,683,863.31 and 3,145,360,942.58 is: 4,718,062,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,086,702.98 : 12,178,683,863.31 = 3,145,360,942.58 : x
  2. Step 2: Convert to fraction form
    8,119,086,702.98/12,178,683,863.31 = 3,145,360,942.58/x
  3. Step 3: Cross multiply
    8,119,086,702.98x = 12,178,683,863.31 × 3,145,360,942.58
  4. Step 4: Simplify right side
    8,119,086,702.98x = 38,306,356,555,684,577,280
  5. Step 5: Solve for x
    x = 38,306,356,555,684,577,280/8,119,086,702.98
  6. Step 6: Final answer
    x = 4,718,062,259.59

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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.