Home / 959,915,261.30-1,439,872,892.28-269,822,515.23

Finding the Fourth Proportional to 959,915,261.30, 1,439,872,892.28 and 269,822,515.23

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Solution

The fourth proportional to 959,915,261.30, 1,439,872,892.28 and 269,822,515.23 is: 404,733,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,915,261.30 : 1,439,872,892.28 = 269,822,515.23 : x
  2. Step 2: Convert to fraction form
    959,915,261.30/1,439,872,892.28 = 269,822,515.23/x
  3. Step 3: Cross multiply
    959,915,261.30x = 1,439,872,892.28 × 269,822,515.23
  4. Step 4: Simplify right side
    959,915,261.30x = 388,510,125,406,484,480
  5. Step 5: Solve for x
    x = 388,510,125,406,484,480/959,915,261.30
  6. Step 6: Final answer
    x = 404,733,772.94

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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.