Home / 8,540,855,743.20-12,813,215,403.24-4,610,477,538.96

Finding the Fourth Proportional to 8,540,855,743.20, 12,813,215,403.24 and 4,610,477,538.96

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Solution

The fourth proportional to 8,540,855,743.20, 12,813,215,403.24 and 4,610,477,538.96 is: 6,916,759,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,855,743.20 : 12,813,215,403.24 = 4,610,477,538.96 : x
  2. Step 2: Convert to fraction form
    8,540,855,743.20/12,813,215,403.24 = 4,610,477,538.96/x
  3. Step 3: Cross multiply
    8,540,855,743.20x = 12,813,215,403.24 × 4,610,477,538.96
  4. Step 4: Simplify right side
    8,540,855,743.20x = 59,075,041,818,494,320,640
  5. Step 5: Solve for x
    x = 59,075,041,818,494,320,640/8,540,855,743.20
  6. Step 6: Final answer
    x = 6,916,759,115.80

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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.