Home / 699,019,038.96-964,669,442.52-381,496,670.64

Finding the Fourth Proportional to 699,019,038.96, 964,669,442.52 and 381,496,670.64

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Solution

The fourth proportional to 699,019,038.96, 964,669,442.52 and 381,496,670.64 is: 526,478,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,019,038.96 : 964,669,442.52 = 381,496,670.64 : x
  2. Step 2: Convert to fraction form
    699,019,038.96/964,669,442.52 = 381,496,670.64/x
  3. Step 3: Cross multiply
    699,019,038.96x = 964,669,442.52 × 381,496,670.64
  4. Step 4: Simplify right side
    699,019,038.96x = 368,018,180,589,524,800
  5. Step 5: Solve for x
    x = 368,018,180,589,524,800/699,019,038.96
  6. Step 6: Final answer
    x = 526,478,050.06

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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.