Home / 526,774,180.80-726,993,010.53-291,898,516.44

Finding the Fourth Proportional to 526,774,180.80, 726,993,010.53 and 291,898,516.44

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Solution

The fourth proportional to 526,774,180.80, 726,993,010.53 and 291,898,516.44 is: 402,844,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,774,180.80 : 726,993,010.53 = 291,898,516.44 : x
  2. Step 2: Convert to fraction form
    526,774,180.80/726,993,010.53 = 291,898,516.44/x
  3. Step 3: Cross multiply
    526,774,180.80x = 726,993,010.53 × 291,898,516.44
  4. Step 4: Simplify right side
    526,774,180.80x = 212,208,181,235,956,288
  5. Step 5: Solve for x
    x = 212,208,181,235,956,288/526,774,180.80
  6. Step 6: Final answer
    x = 402,844,689.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.