Home / 1,435,019,905.40-2,152,529,858.10-1,308,040,935.80

Finding the Fourth Proportional to 1,435,019,905.40, 2,152,529,858.10 and 1,308,040,935.80

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Solution

The fourth proportional to 1,435,019,905.40, 2,152,529,858.10 and 1,308,040,935.80 is: 1,962,061,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,019,905.40 : 2,152,529,858.10 = 1,308,040,935.80 : x
  2. Step 2: Convert to fraction form
    1,435,019,905.40/2,152,529,858.10 = 1,308,040,935.80/x
  3. Step 3: Cross multiply
    1,435,019,905.40x = 2,152,529,858.10 × 1,308,040,935.80
  4. Step 4: Simplify right side
    1,435,019,905.40x = 2,815,597,169,926,564,864
  5. Step 5: Solve for x
    x = 2,815,597,169,926,564,864/1,435,019,905.40
  6. Step 6: Final answer
    x = 1,962,061,403.70

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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.