Home / 13,580,574,011.70-18,741,193,037.33-7,558,950,188.85

Finding the Fourth Proportional to 13,580,574,011.70, 18,741,193,037.33 and 7,558,950,188.85

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Solution

The fourth proportional to 13,580,574,011.70, 18,741,193,037.33 and 7,558,950,188.85 is: 10,431,351,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,574,011.70 : 18,741,193,037.33 = 7,558,950,188.85 : x
  2. Step 2: Convert to fraction form
    13,580,574,011.70/18,741,193,037.33 = 7,558,950,188.85/x
  3. Step 3: Cross multiply
    13,580,574,011.70x = 18,741,193,037.33 × 7,558,950,188.85
  4. Step 4: Simplify right side
    13,580,574,011.70x = 141,663,744,648,762,130,432
  5. Step 5: Solve for x
    x = 141,663,744,648,762,130,432/13,580,574,011.70
  6. Step 6: Final answer
    x = 10,431,351,762.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.