Home / 20,862,792,314.10-31,295,700,125.55-12,563,809,658.10

Finding the Fourth Proportional to 20,862,792,314.10, 31,295,700,125.55 and 12,563,809,658.10

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Solution

The fourth proportional to 20,862,792,314.10, 31,295,700,125.55 and 12,563,809,658.10 is: 18,846,624,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,792,314.10 : 31,295,700,125.55 = 12,563,809,658.10 : x
  2. Step 2: Convert to fraction form
    20,862,792,314.10/31,295,700,125.55 = 12,563,809,658.10/x
  3. Step 3: Cross multiply
    20,862,792,314.10x = 31,295,700,125.55 × 12,563,809,658.10
  4. Step 4: Simplify right side
    20,862,792,314.10x = 393,193,219,494,386,466,816
  5. Step 5: Solve for x
    x = 393,193,219,494,386,466,816/20,862,792,314.10
  6. Step 6: Final answer
    x = 18,846,624,822.54

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1.5x scale

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.