Home / 769,718,459.99-1,154,577,669.55-355,072,601.21

Finding the Fourth Proportional to 769,718,459.99, 1,154,577,669.55 and 355,072,601.21

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Solution

The fourth proportional to 769,718,459.99, 1,154,577,669.55 and 355,072,601.21 is: 532,608,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,718,459.99 : 1,154,577,669.55 = 355,072,601.21 : x
  2. Step 2: Convert to fraction form
    769,718,459.99/1,154,577,669.55 = 355,072,601.21/x
  3. Step 3: Cross multiply
    769,718,459.99x = 1,154,577,669.55 × 355,072,601.21
  4. Step 4: Simplify right side
    769,718,459.99x = 409,958,896,426,098,240
  5. Step 5: Solve for x
    x = 409,958,896,426,098,240/769,718,459.99
  6. Step 6: Final answer
    x = 532,608,892.39

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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.