Home / 206,310,820,506.69-309,607,590,579.91-72,005,310,570.39

Finding the Fourth Proportional to 206,310,820,506.69, 309,607,590,579.91 and 72,005,310,570.39

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Solution

The fourth proportional to 206,310,820,506.69, 309,607,590,579.91 and 72,005,310,570.39 is: 108,057,302,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,310,820,506.69 : 309,607,590,579.91 = 72,005,310,570.39 : x
  2. Step 2: Convert to fraction form
    206,310,820,506.69/309,607,590,579.91 = 72,005,310,570.39/x
  3. Step 3: Cross multiply
    206,310,820,506.69x = 309,607,590,579.91 × 72,005,310,570.39
  4. Step 4: Simplify right side
    206,310,820,506.69x = 22,293,390,714,656,572,571,648
  5. Step 5: Solve for x
    x = 22,293,390,714,656,572,571,648/206,310,820,506.69
  6. Step 6: Final answer
    x = 108,057,302,374.67

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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.