Home / 1,123,728,753.74-1,682,234,802.57-679,727,748.38

Finding the Fourth Proportional to 1,123,728,753.74, 1,682,234,802.57 and 679,727,748.38

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Solution

The fourth proportional to 1,123,728,753.74, 1,682,234,802.57 and 679,727,748.38 is: 1,017,560,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,728,753.74 : 1,682,234,802.57 = 679,727,748.38 : x
  2. Step 2: Convert to fraction form
    1,123,728,753.74/1,682,234,802.57 = 679,727,748.38/x
  3. Step 3: Cross multiply
    1,123,728,753.74x = 1,682,234,802.57 × 679,727,748.38
  4. Step 4: Simplify right side
    1,123,728,753.74x = 1,143,461,674,597,379,840
  5. Step 5: Solve for x
    x = 1,143,461,674,597,379,840/1,123,728,753.74
  6. Step 6: Final answer
    x = 1,017,560,217.08

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1.5x scale

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.