Home / 1,313,709,496.85-1,812,923,910.33-710,880,125.33

Finding the Fourth Proportional to 1,313,709,496.85, 1,812,923,910.33 and 710,880,125.33

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Solution

The fourth proportional to 1,313,709,496.85, 1,812,923,910.33 and 710,880,125.33 is: 981,017,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,709,496.85 : 1,812,923,910.33 = 710,880,125.33 : x
  2. Step 2: Convert to fraction form
    1,313,709,496.85/1,812,923,910.33 = 710,880,125.33/x
  3. Step 3: Cross multiply
    1,313,709,496.85x = 1,812,923,910.33 × 710,880,125.33
  4. Step 4: Simplify right side
    1,313,709,496.85x = 1,288,771,576,589,144,064
  5. Step 5: Solve for x
    x = 1,288,771,576,589,144,064/1,313,709,496.85
  6. Step 6: Final answer
    x = 981,017,172.88

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1.5x scale

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.