Home / 698,957,012.64-964,581,176.70-381,437,759.88

Finding the Fourth Proportional to 698,957,012.64, 964,581,176.70 and 381,437,759.88

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Solution

The fourth proportional to 698,957,012.64, 964,581,176.70 and 381,437,759.88 is: 526,395,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,957,012.64 : 964,581,176.70 = 381,437,759.88 : x
  2. Step 2: Convert to fraction form
    698,957,012.64/964,581,176.70 = 381,437,759.88/x
  3. Step 3: Cross multiply
    698,957,012.64x = 964,581,176.70 × 381,437,759.88
  4. Step 4: Simplify right side
    698,957,012.64x = 367,927,683,262,862,464
  5. Step 5: Solve for x
    x = 367,927,683,262,862,464/698,957,012.64
  6. Step 6: Final answer
    x = 526,395,295.58

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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.