Home / 8,172,482,846.88-12,258,724,432.32-1,961,648,132.16

Finding the Fourth Proportional to 8,172,482,846.88, 12,258,724,432.32 and 1,961,648,132.16

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Solution

The fourth proportional to 8,172,482,846.88, 12,258,724,432.32 and 1,961,648,132.16 is: 2,942,472,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,482,846.88 : 12,258,724,432.32 = 1,961,648,132.16 : x
  2. Step 2: Convert to fraction form
    8,172,482,846.88/12,258,724,432.32 = 1,961,648,132.16/x
  3. Step 3: Cross multiply
    8,172,482,846.88x = 12,258,724,432.32 × 1,961,648,132.16
  4. Step 4: Simplify right side
    8,172,482,846.88x = 24,047,303,885,324,685,312
  5. Step 5: Solve for x
    x = 24,047,303,885,324,685,312/8,172,482,846.88
  6. Step 6: Final answer
    x = 2,942,472,237.13

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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.