Home / 613,347,899,458.92-920,040,592,159.01-210,425,717,867.86

Finding the Fourth Proportional to 613,347,899,458.92, 920,040,592,159.01 and 210,425,717,867.86

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Solution

The fourth proportional to 613,347,899,458.92, 920,040,592,159.01 and 210,425,717,867.86 is: 315,645,007,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,347,899,458.92 : 920,040,592,159.01 = 210,425,717,867.86 : x
  2. Step 2: Convert to fraction form
    613,347,899,458.92/920,040,592,159.01 = 210,425,717,867.86/x
  3. Step 3: Cross multiply
    613,347,899,458.92x = 920,040,592,159.01 × 210,425,717,867.86
  4. Step 4: Simplify right side
    613,347,899,458.92x = 193,600,202,072,630,688,219,136
  5. Step 5: Solve for x
    x = 193,600,202,072,630,688,219,136/613,347,899,458.92
  6. Step 6: Final answer
    x = 315,645,007,088.83

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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.