Home / 1,688,379,670.45-2,329,962,178.13-945,828,960.13

Finding the Fourth Proportional to 1,688,379,670.45, 2,329,962,178.13 and 945,828,960.13

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Solution

The fourth proportional to 1,688,379,670.45, 2,329,962,178.13 and 945,828,960.13 is: 1,305,242,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,379,670.45 : 2,329,962,178.13 = 945,828,960.13 : x
  2. Step 2: Convert to fraction form
    1,688,379,670.45/2,329,962,178.13 = 945,828,960.13/x
  3. Step 3: Cross multiply
    1,688,379,670.45x = 2,329,962,178.13 × 945,828,960.13
  4. Step 4: Simplify right side
    1,688,379,670.45x = 2,203,745,704,082,927,872
  5. Step 5: Solve for x
    x = 2,203,745,704,082,927,872/1,688,379,670.45
  6. Step 6: Final answer
    x = 1,305,242,975.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.