Home / 769,718,457.35-1,154,577,665.60-355,072,598.58

Finding the Fourth Proportional to 769,718,457.35, 1,154,577,665.60 and 355,072,598.58

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Solution

The fourth proportional to 769,718,457.35, 1,154,577,665.60 and 355,072,598.58 is: 532,608,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,718,457.35 : 1,154,577,665.60 = 355,072,598.58 : x
  2. Step 2: Convert to fraction form
    769,718,457.35/1,154,577,665.60 = 355,072,598.58/x
  3. Step 3: Cross multiply
    769,718,457.35x = 1,154,577,665.60 × 355,072,598.58
  4. Step 4: Simplify right side
    769,718,457.35x = 409,958,891,986,413,952
  5. Step 5: Solve for x
    x = 409,958,891,986,413,952/769,718,457.35
  6. Step 6: Final answer
    x = 532,608,888.44

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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.