Home / 1,358,174,369.88-2,037,259,010.10-425,568,612.36

Finding the Fourth Proportional to 1,358,174,369.88, 2,037,259,010.10 and 425,568,612.36

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Solution

The fourth proportional to 1,358,174,369.88, 2,037,259,010.10 and 425,568,612.36 is: 638,352,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,174,369.88 : 2,037,259,010.10 = 425,568,612.36 : x
  2. Step 2: Convert to fraction form
    1,358,174,369.88/2,037,259,010.10 = 425,568,612.36/x
  3. Step 3: Cross multiply
    1,358,174,369.88x = 2,037,259,010.10 × 425,568,612.36
  4. Step 4: Simplify right side
    1,358,174,369.88x = 866,993,489,946,164,224
  5. Step 5: Solve for x
    x = 866,993,489,946,164,224/1,358,174,369.88
  6. Step 6: Final answer
    x = 638,352,121.18

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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.