Home / 613,347,900,395.25-920,040,593,572.35-210,425,718,811.89

Finding the Fourth Proportional to 613,347,900,395.25, 920,040,593,572.35 and 210,425,718,811.89

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Solution

The fourth proportional to 613,347,900,395.25, 920,040,593,572.35 and 210,425,718,811.89 is: 315,645,008,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,347,900,395.25 : 920,040,593,572.35 = 210,425,718,811.89 : x
  2. Step 2: Convert to fraction form
    613,347,900,395.25/920,040,593,572.35 = 210,425,718,811.89/x
  3. Step 3: Cross multiply
    613,347,900,395.25x = 920,040,593,572.35 × 210,425,718,811.89
  4. Step 4: Simplify right side
    613,347,900,395.25x = 193,600,203,238,579,688,701,952
  5. Step 5: Solve for x
    x = 193,600,203,238,579,688,701,952/613,347,900,395.25
  6. Step 6: Final answer
    x = 315,645,008,507.93

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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.