Home / 425,505,929.33-637,365,065.15-269,979,682.07

Finding the Fourth Proportional to 425,505,929.33, 637,365,065.15 and 269,979,682.07

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Solution

The fourth proportional to 425,505,929.33, 637,365,065.15 and 269,979,682.07 is: 404,402,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,505,929.33 : 637,365,065.15 = 269,979,682.07 : x
  2. Step 2: Convert to fraction form
    425,505,929.33/637,365,065.15 = 269,979,682.07/x
  3. Step 3: Cross multiply
    425,505,929.33x = 637,365,065.15 × 269,979,682.07
  4. Step 4: Simplify right side
    425,505,929.33x = 172,075,617,649,709,440
  5. Step 5: Solve for x
    x = 172,075,617,649,709,440/425,505,929.33
  6. Step 6: Final answer
    x = 404,402,396.74

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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.