Home / 825,109,457.68-1,237,805,191.32-340,170,173.20

Finding the Fourth Proportional to 825,109,457.68, 1,237,805,191.32 and 340,170,173.20

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Solution

The fourth proportional to 825,109,457.68, 1,237,805,191.32 and 340,170,173.20 is: 510,313,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,109,457.68 : 1,237,805,191.32 = 340,170,173.20 : x
  2. Step 2: Convert to fraction form
    825,109,457.68/1,237,805,191.32 = 340,170,173.20/x
  3. Step 3: Cross multiply
    825,109,457.68x = 1,237,805,191.32 × 340,170,173.20
  4. Step 4: Simplify right side
    825,109,457.68x = 421,064,406,319,183,488
  5. Step 5: Solve for x
    x = 421,064,406,319,183,488/825,109,457.68
  6. Step 6: Final answer
    x = 510,313,392.24

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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.