Home / 728,064,211.90-1,092,096,317.85-455,966,419.90

Finding the Fourth Proportional to 728,064,211.90, 1,092,096,317.85 and 455,966,419.90

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Solution

The fourth proportional to 728,064,211.90, 1,092,096,317.85 and 455,966,419.90 is: 683,949,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,064,211.90 : 1,092,096,317.85 = 455,966,419.90 : x
  2. Step 2: Convert to fraction form
    728,064,211.90/1,092,096,317.85 = 455,966,419.90/x
  3. Step 3: Cross multiply
    728,064,211.90x = 1,092,096,317.85 × 455,966,419.90
  4. Step 4: Simplify right side
    728,064,211.90x = 497,959,248,236,036,864
  5. Step 5: Solve for x
    x = 497,959,248,236,036,864/728,064,211.90
  6. Step 6: Final answer
    x = 683,949,629.85

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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.