Home / 5,429,942,417.70-8,144,913,626.55-2,158,391,621.70

Finding the Fourth Proportional to 5,429,942,417.70, 8,144,913,626.55 and 2,158,391,621.70

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Solution

The fourth proportional to 5,429,942,417.70, 8,144,913,626.55 and 2,158,391,621.70 is: 3,237,587,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,942,417.70 : 8,144,913,626.55 = 2,158,391,621.70 : x
  2. Step 2: Convert to fraction form
    5,429,942,417.70/8,144,913,626.55 = 2,158,391,621.70/x
  3. Step 3: Cross multiply
    5,429,942,417.70x = 8,144,913,626.55 × 2,158,391,621.70
  4. Step 4: Simplify right side
    5,429,942,417.70x = 17,579,913,331,015,682,048
  5. Step 5: Solve for x
    x = 17,579,913,331,015,682,048/5,429,942,417.70
  6. Step 6: Final answer
    x = 3,237,587,432.55

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Double scale
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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.