Home / 20,473,188,708,878-28,252,993,598,908-11,223,974,423,609

Finding the Fourth Proportional to 20,473,188,708,878, 28,252,993,598,908 and 11,223,974,423,609

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Solution

The fourth proportional to 20,473,188,708,878, 28,252,993,598,908 and 11,223,974,423,609 is: 15,489,080,966,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473,188,708,878 : 28,252,993,598,908 = 11,223,974,423,609 : x
  2. Step 2: Convert to fraction form
    20,473,188,708,878/28,252,993,598,908 = 11,223,974,423,609/x
  3. Step 3: Cross multiply
    20,473,188,708,878x = 28,252,993,598,908 × 11,223,974,423,609
  4. Step 4: Simplify right side
    20,473,188,708,878x = 317,110,877,544,532,195,351,199,744
  5. Step 5: Solve for x
    x = 317,110,877,544,532,195,351,199,744/20,473,188,708,878
  6. Step 6: Final answer
    x = 15,489,080,966,025.59

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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.