Home / 1,411,014,531.08-2,116,385,032.28-428,449,706.96

Finding the Fourth Proportional to 1,411,014,531.08, 2,116,385,032.28 and 428,449,706.96

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Solution

The fourth proportional to 1,411,014,531.08, 2,116,385,032.28 and 428,449,706.96 is: 642,633,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,014,531.08 : 2,116,385,032.28 = 428,449,706.96 : x
  2. Step 2: Convert to fraction form
    1,411,014,531.08/2,116,385,032.28 = 428,449,706.96/x
  3. Step 3: Cross multiply
    1,411,014,531.08x = 2,116,385,032.28 × 428,449,706.96
  4. Step 4: Simplify right side
    1,411,014,531.08x = 906,764,546,882,172,032
  5. Step 5: Solve for x
    x = 906,764,546,882,172,032/1,411,014,531.08
  6. Step 6: Final answer
    x = 642,633,032.41

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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.