Home / 20,423,487,186.29-30,572,397,596.59-13,325,686,743.23

Finding the Fourth Proportional to 20,423,487,186.29, 30,572,397,596.59 and 13,325,686,743.23

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Solution

The fourth proportional to 20,423,487,186.29, 30,572,397,596.59 and 13,325,686,743.23 is: 19,947,533,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423,487,186.29 : 30,572,397,596.59 = 13,325,686,743.23 : x
  2. Step 2: Convert to fraction form
    20,423,487,186.29/30,572,397,596.59 = 13,325,686,743.23/x
  3. Step 3: Cross multiply
    20,423,487,186.29x = 30,572,397,596.59 × 13,325,686,743.23
  4. Step 4: Simplify right side
    20,423,487,186.29x = 407,398,193,361,540,415,488
  5. Step 5: Solve for x
    x = 407,398,193,361,540,415,488/20,423,487,186.29
  6. Step 6: Final answer
    x = 19,947,533,427.84

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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.