Home / 1,245,136,297.80-1,867,704,446.70-896,457,857.70

Finding the Fourth Proportional to 1,245,136,297.80, 1,867,704,446.70 and 896,457,857.70

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Solution

The fourth proportional to 1,245,136,297.80, 1,867,704,446.70 and 896,457,857.70 is: 1,344,686,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,136,297.80 : 1,867,704,446.70 = 896,457,857.70 : x
  2. Step 2: Convert to fraction form
    1,245,136,297.80/1,867,704,446.70 = 896,457,857.70/x
  3. Step 3: Cross multiply
    1,245,136,297.80x = 1,867,704,446.70 × 896,457,857.70
  4. Step 4: Simplify right side
    1,245,136,297.80x = 1,674,318,327,105,445,888
  5. Step 5: Solve for x
    x = 1,674,318,327,105,445,888/1,245,136,297.80
  6. Step 6: Final answer
    x = 1,344,686,786.55

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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.