Home / 13,580,574,012.70-18,741,193,038.71-7,558,950,189.85

Finding the Fourth Proportional to 13,580,574,012.70, 18,741,193,038.71 and 7,558,950,189.85

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Solution

The fourth proportional to 13,580,574,012.70, 18,741,193,038.71 and 7,558,950,189.85 is: 10,431,351,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,574,012.70 : 18,741,193,038.71 = 7,558,950,189.85 : x
  2. Step 2: Convert to fraction form
    13,580,574,012.70/18,741,193,038.71 = 7,558,950,189.85/x
  3. Step 3: Cross multiply
    13,580,574,012.70x = 18,741,193,038.71 × 7,558,950,189.85
  4. Step 4: Simplify right side
    13,580,574,012.70x = 141,663,744,677,972,459,520
  5. Step 5: Solve for x
    x = 141,663,744,677,972,459,520/13,580,574,012.70
  6. Step 6: Final answer
    x = 10,431,351,763.59

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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.