Home / 13,706,483,857.69-18,910,426,300.70-8,278,991,475.65

Finding the Fourth Proportional to 13,706,483,857.69, 18,910,426,300.70 and 8,278,991,475.65

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Solution

The fourth proportional to 13,706,483,857.69, 18,910,426,300.70 and 8,278,991,475.65 is: 11,422,277,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706,483,857.69 : 18,910,426,300.70 = 8,278,991,475.65 : x
  2. Step 2: Convert to fraction form
    13,706,483,857.69/18,910,426,300.70 = 8,278,991,475.65/x
  3. Step 3: Cross multiply
    13,706,483,857.69x = 18,910,426,300.70 × 8,278,991,475.65
  4. Step 4: Simplify right side
    13,706,483,857.69x = 156,559,258,144,402,866,176
  5. Step 5: Solve for x
    x = 156,559,258,144,402,866,176/13,706,483,857.69
  6. Step 6: Final answer
    x = 11,422,277,206.17

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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.