Home / 827,519,280.94-1,241,581,593.92-385,072,975.68

Finding the Fourth Proportional to 827,519,280.94, 1,241,581,593.92 and 385,072,975.68

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Solution

The fourth proportional to 827,519,280.94, 1,241,581,593.92 and 385,072,975.68 is: 577,750,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,519,280.94 : 1,241,581,593.92 = 385,072,975.68 : x
  2. Step 2: Convert to fraction form
    827,519,280.94/1,241,581,593.92 = 385,072,975.68/x
  3. Step 3: Cross multiply
    827,519,280.94x = 1,241,581,593.92 × 385,072,975.68
  4. Step 4: Simplify right side
    827,519,280.94x = 478,099,518,920,291,840
  5. Step 5: Solve for x
    x = 478,099,518,920,291,840/827,519,280.94
  6. Step 6: Final answer
    x = 577,750,307.37

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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.