Home / 789,141,945.40-1,183,787,567.70-214,713,273.40

Finding the Fourth Proportional to 789,141,945.40, 1,183,787,567.70 and 214,713,273.40

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Solution

The fourth proportional to 789,141,945.40, 1,183,787,567.70 and 214,713,273.40 is: 322,090,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,141,945.40 : 1,183,787,567.70 = 214,713,273.40 : x
  2. Step 2: Convert to fraction form
    789,141,945.40/1,183,787,567.70 = 214,713,273.40/x
  3. Step 3: Cross multiply
    789,141,945.40x = 1,183,787,567.70 × 214,713,273.40
  4. Step 4: Simplify right side
    789,141,945.40x = 254,174,903,671,091,136
  5. Step 5: Solve for x
    x = 254,174,903,671,091,136/789,141,945.40
  6. Step 6: Final answer
    x = 322,090,221.10

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1.5x scale

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.