Home / 517,441,035.58-775,778,914.14-312,923,643.10

Finding the Fourth Proportional to 517,441,035.58, 775,778,914.14 and 312,923,643.10

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Solution

The fourth proportional to 517,441,035.58, 775,778,914.14 and 312,923,643.10 is: 469,154,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,441,035.58 : 775,778,914.14 = 312,923,643.10 : x
  2. Step 2: Convert to fraction form
    517,441,035.58/775,778,914.14 = 312,923,643.10/x
  3. Step 3: Cross multiply
    517,441,035.58x = 775,778,914.14 × 312,923,643.10
  4. Step 4: Simplify right side
    517,441,035.58x = 242,759,564,052,850,912
  5. Step 5: Solve for x
    x = 242,759,564,052,850,912/517,441,035.58
  6. Step 6: Final answer
    x = 469,154,062.71

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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.