Home / 849,702,172.68-1,274,780,069.10-304,498,819.08

Finding the Fourth Proportional to 849,702,172.68, 1,274,780,069.10 and 304,498,819.08

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Solution

The fourth proportional to 849,702,172.68, 1,274,780,069.10 and 304,498,819.08 is: 456,829,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,702,172.68 : 1,274,780,069.10 = 304,498,819.08 : x
  2. Step 2: Convert to fraction form
    849,702,172.68/1,274,780,069.10 = 304,498,819.08/x
  3. Step 3: Cross multiply
    849,702,172.68x = 1,274,780,069.10 × 304,498,819.08
  4. Step 4: Simplify right side
    849,702,172.68x = 388,169,025,627,670,720
  5. Step 5: Solve for x
    x = 388,169,025,627,670,720/849,702,172.68
  6. Step 6: Final answer
    x = 456,829,508.16

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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.