Home / 1,379,269,223.10-2,068,903,834.65-723,967,040.70

Finding the Fourth Proportional to 1,379,269,223.10, 2,068,903,834.65 and 723,967,040.70

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Solution

The fourth proportional to 1,379,269,223.10, 2,068,903,834.65 and 723,967,040.70 is: 1,085,950,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,269,223.10 : 2,068,903,834.65 = 723,967,040.70 : x
  2. Step 2: Convert to fraction form
    1,379,269,223.10/2,068,903,834.65 = 723,967,040.70/x
  3. Step 3: Cross multiply
    1,379,269,223.10x = 2,068,903,834.65 × 723,967,040.70
  4. Step 4: Simplify right side
    1,379,269,223.10x = 1,497,818,186,664,442,880
  5. Step 5: Solve for x
    x = 1,497,818,186,664,442,880/1,379,269,223.10
  6. Step 6: Final answer
    x = 1,085,950,561.05

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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.