Home / 20,423,481,961.95-30,572,389,822.86-13,325,681,570.85

Finding the Fourth Proportional to 20,423,481,961.95, 30,572,389,822.86 and 13,325,681,570.85

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Solution

The fourth proportional to 20,423,481,961.95, 30,572,389,822.86 and 13,325,681,570.85 is: 19,947,525,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423,481,961.95 : 30,572,389,822.86 = 13,325,681,570.85 : x
  2. Step 2: Convert to fraction form
    20,423,481,961.95/30,572,389,822.86 = 13,325,681,570.85/x
  3. Step 3: Cross multiply
    20,423,481,961.95x = 30,572,389,822.86 × 13,325,681,570.85
  4. Step 4: Simplify right side
    20,423,481,961.95x = 407,397,931,639,327,621,120
  5. Step 5: Solve for x
    x = 407,397,931,639,327,621,120/20,423,481,961.95
  6. Step 6: Final answer
    x = 19,947,525,715.66

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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.