Home / 313,744,979.40-470,674,929.08-129,411,899.56

Finding the Fourth Proportional to 313,744,979.40, 470,674,929.08 and 129,411,899.56

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Solution

The fourth proportional to 313,744,979.40, 470,674,929.08 and 129,411,899.56 is: 194,141,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,744,979.40 : 470,674,929.08 = 129,411,899.56 : x
  2. Step 2: Convert to fraction form
    313,744,979.40/470,674,929.08 = 129,411,899.56/x
  3. Step 3: Cross multiply
    313,744,979.40x = 470,674,929.08 × 129,411,899.56
  4. Step 4: Simplify right side
    313,744,979.40x = 60,910,936,647,511,080
  5. Step 5: Solve for x
    x = 60,910,936,647,511,080/313,744,979.40
  6. Step 6: Final answer
    x = 194,141,550.13

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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.