Home / 13,348,735,021.10-18,412,875,167.58-7,919,426,768.87

Finding the Fourth Proportional to 13,348,735,021.10, 18,412,875,167.58 and 7,919,426,768.87

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Solution

The fourth proportional to 13,348,735,021.10, 18,412,875,167.58 and 7,919,426,768.87 is: 10,923,837,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,735,021.10 : 18,412,875,167.58 = 7,919,426,768.87 : x
  2. Step 2: Convert to fraction form
    13,348,735,021.10/18,412,875,167.58 = 7,919,426,768.87/x
  3. Step 3: Cross multiply
    13,348,735,021.10x = 18,412,875,167.58 × 7,919,426,768.87
  4. Step 4: Simplify right side
    13,348,735,021.10x = 145,819,416,494,040,793,088
  5. Step 5: Solve for x
    x = 145,819,416,494,040,793,088/13,348,735,021.10
  6. Step 6: Final answer
    x = 10,923,837,821.60

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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.